firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component

cve CVE-2025-14322 2 sources, 2 claims · Watch

Red Hat writes:
firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component the claim

Severity: HIGH NVD
important Red Hat
CVSS they disagree: 8 NVD
7.5 Red Hat
Vendor: Mozilla NVD
Product: Firefox NVD
CWE: CWE-754 NVD

How far exploitation has got

No public code known
Proof of concept
Proof of concept, verified
A Metasploit module
Exploited in the wild
Used in ransomware campaigns

Why the CVSS differs

Metric	NVD	Red Hat
Attack vector AV	network N	network N
Attack complexity AC	high H	high H
Privileges required PR	none N	none N
User interaction UI	required R	required R
Scope S	changed C	unchanged U
Confidentiality C	high H	high H
Integrity I	high H	high H
Availability A	none N	high H

Each source scores the same vulnerability from what it judges the attack to need. The rows marked are where they judge it differently.

Timeline

2025-12-09	first spoke of it: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.	NVD
2025-12-09	first spoke of it: firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component	Red Hat

What it is to other things

affects	mozilla/firefox NVD
affects	mozilla/thunderbird NVD
made_by	mozilla NVD

Every value, with what each source said and its receipt

Property Source Said Means here

Automatable

automatable

NVD

At least one of those steps needs a person.

receipt

Source: NVD
Its words: no
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since: 2026-10-06 11:54 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 11:54 UTC	no
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Firefox",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "115.*",
                "status": "unaffected",
                "version": "115.31",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          }
        ],
        "source": "security@mozilla.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
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                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
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                "versionEndExcluding": "115.31.0",
                "vulnerable": true
              },
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    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
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      },
      {
        "lang": "es",
        "value": "Escape de sandbox debido a condiciones de límite incorrectas en el componente Graphics: CanvasWebGL. Esta vulnerabilidad afecta a Firefox menor que 146, Firefox ESR menor que 115.31, Firefox ESR menor que 140.6, Thunderbird menor que 146 y Thunderbird menor que 140.6."
      }
    ],
    "id": "CVE-2025-14322",
    "lastModified": "2026-10-05T15:10:00.590",
    "metrics": {
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
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          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
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        "source": "security@mozilla.org",
        "tags": [
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      },
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        "tags": [
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        "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-93/"
      },
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        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-94/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
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      },
      {
        "source": "security@mozilla.org",
        "tags": [
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    ],
    "sourceIdentifier": "security@mozilla.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
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            "lang": "en",
            "value": "CWE-754"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

conflict

NVD

receipt

Source: NVD
Its words: 8.0
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since: 2026-10-02 12:00 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Firefox",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "115.*",
                "status": "unaffected",
                "version": "115.31",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          }
        ],
        "source": "security@mozilla.org"
      }
    ],
    "configurations": [
      {
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                "vulnerable": true
              },
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      },
      {
        "lang": "es",
        "value": "Escape de sandbox debido a condiciones de límite incorrectas en el componente Graphics: CanvasWebGL. Esta vulnerabilidad afecta a Firefox menor que 146, Firefox ESR menor que 115.31, Firefox ESR menor que 140.6, Thunderbird menor que 146 y Thunderbird menor que 140.6."
      }
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    "metrics": {
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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      },
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        "tags": [
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—

CVSS

cvss

conflict

Red Hat

7.5

receipt

Source: Red Hat
Its words: 7.5
Read by: field:cvss3_score
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2025-14322",
  "CWE": null,
  "advisories": [
    "RHSA-2026:0015",
    "RHSA-2026:0016",
    "RHSA-2026:0013",
    "RHSA-2026:0014",
    "RHSA-2026:0019",
    "RHSA-2026:0017",
    "RHSA-2026:0018",
    "RHSA-2025:23856",
    "RHSA-2025:23035",
    "RHSA-2026:0026",
    "RHSA-2026:0004",
    "RHSA-2026:0005",
    "RHSA-2026:0024",
    "RHSA-2026:0025",
    "RHSA-2026:0124",
    "RHSA-2026:0003",
    "RHSA-2026:0127",
    "RHSA-2026:0006",
    "RHSA-2026:0007",
    "RHSA-2025:23034",
    "RHSA-2025:23128",
    "RHSA-2026:0022",
    "RHSA-2026:0023",
    "RHSA-2026:0020",
    "RHSA-2026:0021"
  ],
  "affected_packages": [
    "firefox-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el10_0",
    "thunderbird-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-1.el10_0",
    "firefox-0:140.6.0-1.el9_2",
    "firefox-0:140.6.0-1.el8_2",
    "firefox-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el7_9",
    "firefox-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_6",
    "thunderbird-0:140.6.0-1.el8_6",
    "thunderbird-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el8_4",
    "thunderbird-0:140.6.0-1.el8_8",
    "thunderbird-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_2",
    "thunderbird-0:140.6.0-1.el8_2",
    "thunderbird-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-2.el9_6",
    "firefox-0:140.6.0-2.el8_8",
    "firefox-0:140.6.0-2.el8_4",
    "firefox-0:140.6.0-2.el8_6",
    "firefox-0:140.6.0-1.el8_10",
    "thunderbird-0:140.6.0-1.el8_10"
  ],
  "bugzilla": "2420506",
  "bugzilla_description": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2025-12-09T13:37:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14322.json",
  "severity": "important"
}

—

CVSS vector

cvss_vector

not compared

NVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

receipt

Source: NVD
Its words: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 11:54 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 11:54 UTC	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
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            "vendor": "Mozilla",
            "versions": [
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                "version": "140.6",
                "versionType": "rpm"
              },
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                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
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              {
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                "status": "unaffected",
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                "versionType": "rpm"
              },
              {
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                "status": "unaffected",
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              }
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    ],
    "cveTags": [],
    "descriptions": [
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        "lang": "en",
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      },
      {
        "lang": "es",
        "value": "Escape de sandbox debido a condiciones de límite incorrectas en el componente Graphics: CanvasWebGL. Esta vulnerabilidad afecta a Firefox menor que 146, Firefox ESR menor que 115.31, Firefox ESR menor que 140.6, Thunderbird menor que 146 y Thunderbird menor que 140.6."
      }
    ],
    "id": "CVE-2025-14322",
    "lastModified": "2026-10-05T15:10:00.590",
    "metrics": {
      "cvssMetricV31": [
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            "attackComplexity": "HIGH",
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            "availabilityImpact": "NONE",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 5.8,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-14322",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2025-12-10T04:57:18.096368Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2025-12-09T16:17:39.523",
    "references": [
      {
        "source": "security@mozilla.org",
        "tags": [
          "Issue Tracking",
          "Permissions Required"
        ],
        "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1996473"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-93/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-94/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-95/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-96/"
      }
    ],
    "sourceIdentifier": "security@mozilla.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-754"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

not compared

Red Hat

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

receipt

Source: Red Hat
Its words: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Read by: field:cvss3_scoring_vector
Said since: 2026-10-06 13:01 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

2026-10-06 13:01 UTC	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
2026-09-29 09:44 UTC	—

What the source handed over

{
  "CVE": "CVE-2025-14322",
  "CWE": null,
  "advisories": [
    "RHSA-2026:0015",
    "RHSA-2026:0016",
    "RHSA-2026:0013",
    "RHSA-2026:0014",
    "RHSA-2026:0019",
    "RHSA-2026:0017",
    "RHSA-2026:0018",
    "RHSA-2025:23856",
    "RHSA-2025:23035",
    "RHSA-2026:0026",
    "RHSA-2026:0004",
    "RHSA-2026:0005",
    "RHSA-2026:0024",
    "RHSA-2026:0025",
    "RHSA-2026:0124",
    "RHSA-2026:0003",
    "RHSA-2026:0127",
    "RHSA-2026:0006",
    "RHSA-2026:0007",
    "RHSA-2025:23034",
    "RHSA-2025:23128",
    "RHSA-2026:0022",
    "RHSA-2026:0023",
    "RHSA-2026:0020",
    "RHSA-2026:0021"
  ],
  "affected_packages": [
    "firefox-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el10_0",
    "thunderbird-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-1.el10_0",
    "firefox-0:140.6.0-1.el9_2",
    "firefox-0:140.6.0-1.el8_2",
    "firefox-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el7_9",
    "firefox-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_6",
    "thunderbird-0:140.6.0-1.el8_6",
    "thunderbird-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el8_4",
    "thunderbird-0:140.6.0-1.el8_8",
    "thunderbird-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_2",
    "thunderbird-0:140.6.0-1.el8_2",
    "thunderbird-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-2.el9_6",
    "firefox-0:140.6.0-2.el8_8",
    "firefox-0:140.6.0-2.el8_4",
    "firefox-0:140.6.0-2.el8_6",
    "firefox-0:140.6.0-1.el8_10",
    "thunderbird-0:140.6.0-1.el8_10"
  ],
  "bugzilla": "2420506",
  "bugzilla_description": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2025-12-09T13:37:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14322.json",
  "severity": "important"
}

—

CWE

cwe

NVD

CWE-754

receipt

Source: NVD
Its words: CWE-754
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 11:54 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 11:54 UTC	CWE-754
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Firefox",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "115.*",
                "status": "unaffected",
                "version": "115.31",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          }
        ],
        "source": "security@mozilla.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "22C1C512-2D57-4BCB-ABE2-5CA41F354AA1",
                "versionEndExcluding": "115.31.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "3EF4CBBC-DCB5-4540-8B8A-91DA759ED631",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "AB211B63-E6CF-4D11-BCEE-CF495FA0B0EF",
                "versionEndExcluding": "140.6.0",
                "versionStartIncluding": "116.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "F04F8674-52CC-4217-B94A-8C5E80C5B996",
                "versionEndExcluding": "140.6.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1CB46BC7-512D-45BF-BCF4-73FDDF94DBAF",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6."
      },
      {
        "lang": "es",
        "value": "Escape de sandbox debido a condiciones de límite incorrectas en el componente Graphics: CanvasWebGL. Esta vulnerabilidad afecta a Firefox menor que 146, Firefox ESR menor que 115.31, Firefox ESR menor que 140.6, Thunderbird menor que 146 y Thunderbird menor que 140.6."
      }
    ],
    "id": "CVE-2025-14322",
    "lastModified": "2026-10-05T15:10:00.590",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 5.8,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-14322",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2025-12-10T04:57:18.096368Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2025-12-09T16:17:39.523",
    "references": [
      {
        "source": "security@mozilla.org",
        "tags": [
          "Issue Tracking",
          "Permissions Required"
        ],
        "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1996473"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-93/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-94/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-95/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-96/"
      }
    ],
    "sourceIdentifier": "security@mozilla.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-754"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Exploitation

exploitation

NVD

none

No evidence of exploitation, and no public proof of concept.

receipt

Source: NVD
Its words: none
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since: 2026-10-06 11:54 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 11:54 UTC	none
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Firefox",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "115.*",
                "status": "unaffected",
                "version": "115.31",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          }
        ],
        "source": "security@mozilla.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "22C1C512-2D57-4BCB-ABE2-5CA41F354AA1",
                "versionEndExcluding": "115.31.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "3EF4CBBC-DCB5-4540-8B8A-91DA759ED631",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "AB211B63-E6CF-4D11-BCEE-CF495FA0B0EF",
                "versionEndExcluding": "140.6.0",
                "versionStartIncluding": "116.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "F04F8674-52CC-4217-B94A-8C5E80C5B996",
                "versionEndExcluding": "140.6.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1CB46BC7-512D-45BF-BCF4-73FDDF94DBAF",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6."
      },
      {
        "lang": "es",
        "value": "Escape de sandbox debido a condiciones de límite incorrectas en el componente Graphics: CanvasWebGL. Esta vulnerabilidad afecta a Firefox menor que 146, Firefox ESR menor que 115.31, Firefox ESR menor que 140.6, Thunderbird menor que 146 y Thunderbird menor que 140.6."
      }
    ],
    "id": "CVE-2025-14322",
    "lastModified": "2026-10-05T15:10:00.590",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 5.8,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-14322",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2025-12-10T04:57:18.096368Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2025-12-09T16:17:39.523",
    "references": [
      {
        "source": "security@mozilla.org",
        "tags": [
          "Issue Tracking",
          "Permissions Required"
        ],
        "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1996473"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-93/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-94/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-95/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-96/"
      }
    ],
    "sourceIdentifier": "security@mozilla.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-754"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Packages

packages

Red Hat

firefox-0:140.6.0-1.el9_4, thunderbird-0:140.6.0-1.el10_0, thunderbird-0:140.6.0-1.el10_1, firefox-0:140.6.0-1.el9_0, firefox-0:140.6.0-1.el10_0, firefox-0:140.6.0-1.el9_2, firefox-0:140.6.0-1.el8_2, firefox-0:140.6.0-1.el10_1, firefox-0:140.6.0-1.el7_9, firefox-0:140.6.0-1.el9_7, thunderbird-0:140.6.0-1.el9_6, thunderbird-0:140.6.0-1.el8_6, thunderbird-0:140.6.0-1.el9_4, thunderbird-0:140.6.0-1.el8_4, thunderbird-0:140.6.0-1.el8_8, thunderbird-0:140.6.0-1.el9_7, thunderbird-0:140.6.0-1.el9_2, thunderbird-0:140.6.0-1.el8_2, thunderbird-0:140.6.0-1.el9_0, firefox-0:140.6.0-2.el9_6, firefox-0:140.6.0-2.el8_8, firefox-0:140.6.0-2.el8_4, firefox-0:140.6.0-2.el8_6, firefox-0:140.6.0-1.el8_10, thunderbird-0:140.6.0-1.el8_10

receipt

Source: Red Hat
Its words: firefox-0:140.6.0-1.el9_4, thunderbird-0:140.6.0-1.el10_0, thunderbird-0:140.6.0-1.el10_1, firefox-0:140.6.0-1.el9_0, firefox-0:140.6.0-1.el10_0, firefox-0:140.6.0-1.el9_2, firefox-0:140.6.0-1.el8_2, firefox-0:140.6.0-1.el10_1, firefox-0:140.6.0-1.el7_9, firefox-0:140.6.0-1.el9_7, thunderbird-0:140.6.0-1.el9_6, thunderbird-0:140.6.0-1.el8_6, thunderbird-0:140.6.0-1.el9_4, thunderbird-0:140.6.0-1.el8_4, thunderbird-0:140.6.0-1.el8_8, thunderbird-0:140.6.0-1.el9_7, thunderbird-0:140.6.0-1.el9_2, thunderbird-0:140.6.0-1.el8_2, thunderbird-0:140.6.0-1.el9_0, firefox-0:140.6.0-2.el9_6, firefox-0:140.6.0-2.el8_8, firefox-0:140.6.0-2.el8_4, firefox-0:140.6.0-2.el8_6, firefox-0:140.6.0-1.el8_10, thunderbird-0:140.6.0-1.el8_10
Read by: field:affected_packages[]
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2025-14322",
  "CWE": null,
  "advisories": [
    "RHSA-2026:0015",
    "RHSA-2026:0016",
    "RHSA-2026:0013",
    "RHSA-2026:0014",
    "RHSA-2026:0019",
    "RHSA-2026:0017",
    "RHSA-2026:0018",
    "RHSA-2025:23856",
    "RHSA-2025:23035",
    "RHSA-2026:0026",
    "RHSA-2026:0004",
    "RHSA-2026:0005",
    "RHSA-2026:0024",
    "RHSA-2026:0025",
    "RHSA-2026:0124",
    "RHSA-2026:0003",
    "RHSA-2026:0127",
    "RHSA-2026:0006",
    "RHSA-2026:0007",
    "RHSA-2025:23034",
    "RHSA-2025:23128",
    "RHSA-2026:0022",
    "RHSA-2026:0023",
    "RHSA-2026:0020",
    "RHSA-2026:0021"
  ],
  "affected_packages": [
    "firefox-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el10_0",
    "thunderbird-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-1.el10_0",
    "firefox-0:140.6.0-1.el9_2",
    "firefox-0:140.6.0-1.el8_2",
    "firefox-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el7_9",
    "firefox-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_6",
    "thunderbird-0:140.6.0-1.el8_6",
    "thunderbird-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el8_4",
    "thunderbird-0:140.6.0-1.el8_8",
    "thunderbird-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_2",
    "thunderbird-0:140.6.0-1.el8_2",
    "thunderbird-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-2.el9_6",
    "firefox-0:140.6.0-2.el8_8",
    "firefox-0:140.6.0-2.el8_4",
    "firefox-0:140.6.0-2.el8_6",
    "firefox-0:140.6.0-1.el8_10",
    "thunderbird-0:140.6.0-1.el8_10"
  ],
  "bugzilla": "2420506",
  "bugzilla_description": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2025-12-09T13:37:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14322.json",
  "severity": "important"
}

—

Product

product

NVD

Firefox

receipt

Source: NVD
Its words: Firefox
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-10-02 12:00 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Firefox",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "115.*",
                "status": "unaffected",
                "version": "115.31",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          }
        ],
        "source": "security@mozilla.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "22C1C512-2D57-4BCB-ABE2-5CA41F354AA1",
                "versionEndExcluding": "115.31.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "3EF4CBBC-DCB5-4540-8B8A-91DA759ED631",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "AB211B63-E6CF-4D11-BCEE-CF495FA0B0EF",
                "versionEndExcluding": "140.6.0",
                "versionStartIncluding": "116.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "F04F8674-52CC-4217-B94A-8C5E80C5B996",
                "versionEndExcluding": "140.6.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1CB46BC7-512D-45BF-BCF4-73FDDF94DBAF",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6."
      },
      {
        "lang": "es",
        "value": "Escape de sandbox debido a condiciones de límite incorrectas en el componente Graphics: CanvasWebGL. Esta vulnerabilidad afecta a Firefox menor que 146, Firefox ESR menor que 115.31, Firefox ESR menor que 140.6, Thunderbird menor que 146 y Thunderbird menor que 140.6."
      }
    ],
    "id": "CVE-2025-14322",
    "lastModified": "2026-10-05T15:10:00.590",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 5.8,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-14322",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2025-12-10T04:57:18.096368Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2025-12-09T16:17:39.523",
    "references": [
      {
        "source": "security@mozilla.org",
        "tags": [
          "Issue Tracking",
          "Permissions Required"
        ],
        "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1996473"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-93/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-94/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-95/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-96/"
      }
    ],
    "sourceIdentifier": "security@mozilla.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-754"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

—

Severity

severity

NVD

HIGH

From 7.0 to 8.9.

receipt

Source: NVD
Its words: HIGH
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 11:54 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 11:54 UTC	HIGH
2026-10-02 12:00 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Firefox",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "115.*",
                "status": "unaffected",
                "version": "115.31",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          }
        ],
        "source": "security@mozilla.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "22C1C512-2D57-4BCB-ABE2-5CA41F354AA1",
                "versionEndExcluding": "115.31.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "3EF4CBBC-DCB5-4540-8B8A-91DA759ED631",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "AB211B63-E6CF-4D11-BCEE-CF495FA0B0EF",
                "versionEndExcluding": "140.6.0",
                "versionStartIncluding": "116.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*",
                "matchCriteriaId": "F04F8674-52CC-4217-B94A-8C5E80C5B996",
                "versionEndExcluding": "140.6.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*",
                "matchCriteriaId": "1CB46BC7-512D-45BF-BCF4-73FDDF94DBAF",
                "versionEndExcluding": "146.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6."
      },
      {
        "lang": "es",
        "value": "Escape de sandbox debido a condiciones de límite incorrectas en el componente Graphics: CanvasWebGL. Esta vulnerabilidad afecta a Firefox menor que 146, Firefox ESR menor que 115.31, Firefox ESR menor que 140.6, Thunderbird menor que 146 y Thunderbird menor que 140.6."
      }
    ],
    "id": "CVE-2025-14322",
    "lastModified": "2026-10-05T15:10:00.590",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 5.8,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-14322",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2025-12-10T04:57:18.096368Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2025-12-09T16:17:39.523",
    "references": [
      {
        "source": "security@mozilla.org",
        "tags": [
          "Issue Tracking",
          "Permissions Required"
        ],
        "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1996473"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-93/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-94/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-95/"
      },
      {
        "source": "security@mozilla.org",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.mozilla.org/security/advisories/mfsa2025-96/"
      }
    ],
    "sourceIdentifier": "security@mozilla.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-754"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

high

Severity

severity

Red Hat

important

A flaw that can easily compromise confidentiality, integrity or availability.

receipt

Source: Red Hat
Its words: important
Read by: field:severity
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2025-14322",
  "CWE": null,
  "advisories": [
    "RHSA-2026:0015",
    "RHSA-2026:0016",
    "RHSA-2026:0013",
    "RHSA-2026:0014",
    "RHSA-2026:0019",
    "RHSA-2026:0017",
    "RHSA-2026:0018",
    "RHSA-2025:23856",
    "RHSA-2025:23035",
    "RHSA-2026:0026",
    "RHSA-2026:0004",
    "RHSA-2026:0005",
    "RHSA-2026:0024",
    "RHSA-2026:0025",
    "RHSA-2026:0124",
    "RHSA-2026:0003",
    "RHSA-2026:0127",
    "RHSA-2026:0006",
    "RHSA-2026:0007",
    "RHSA-2025:23034",
    "RHSA-2025:23128",
    "RHSA-2026:0022",
    "RHSA-2026:0023",
    "RHSA-2026:0020",
    "RHSA-2026:0021"
  ],
  "affected_packages": [
    "firefox-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el10_0",
    "thunderbird-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-1.el10_0",
    "firefox-0:140.6.0-1.el9_2",
    "firefox-0:140.6.0-1.el8_2",
    "firefox-0:140.6.0-1.el10_1",
    "firefox-0:140.6.0-1.el7_9",
    "firefox-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_6",
    "thunderbird-0:140.6.0-1.el8_6",
    "thunderbird-0:140.6.0-1.el9_4",
    "thunderbird-0:140.6.0-1.el8_4",
    "thunderbird-0:140.6.0-1.el8_8",
    "thunderbird-0:140.6.0-1.el9_7",
    "thunderbird-0:140.6.0-1.el9_2",
    "thunderbird-0:140.6.0-1.el8_2",
    "thunderbird-0:140.6.0-1.el9_0",
    "firefox-0:140.6.0-2.el9_6",
    "firefox-0:140.6.0-2.el8_8",
    "firefox-0:140.6.0-2.el8_4",
    "firefox-0:140.6.0-2.el8_6",
    "firefox-0:140.6.0-1.el8_10",
    "thunderbird-0:140.6.0-1.el8_10"
  ],
  "bugzilla": "2420506",
  "bugzilla_description": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component",
  "cvss3_score": "7.5",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2025-12-09T13:37:55Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14322.json",
  "severity": "important"
}

high

Status

status

NVD

Modified

receipt

Source: NVD
Its words: Modified
Read by: field:cve.vulnStatus
Said since: 2026-10-02 12:00 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Firefox",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "115.*",
                "status": "unaffected",
                "version": "115.31",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
                "versionType": "rpm"
              }
            ]
          },
          {
            "product": "Thunderbird",
            "vendor": "Mozilla",
            "versions": [
              {
                "lessThanOrEqual": "140.*",
                "status": "unaffected",
                "version": "140.6",
                "versionType": "rpm"
              },
              {
                "lessThanOrEqual": "*",
                "status": "unaffected",
                "version": "146",
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}

—

Technical impact

technical_impact

NVD

total

The attacker gains full control of the component, or all of its information.

receipt

Source: NVD
Its words: total
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since: 2026-10-06 11:54 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 11:54 UTC	total
2026-10-02 12:00 UTC	—

What the source handed over

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}

—

Vendor

vendor

NVD

Mozilla

receipt

Source: NVD
Its words: Mozilla
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-10-02 12:00 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

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  }
}

—

Every claim, by kind

vulnerability

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component zetlyn/cve-redhat · 2025-12-09	cvss 7.5 cvss_vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H packages firefox-0:140.6.0-1.el9_4, thunderbird-0:140.6.0-1.el10_0, thunderbird-0:140.6.0-1.el10_1, firefox-0:140.6.0-1.el9_0, firefox-0:140.6.0-1.el10_0, firefox-0:140.6.0-1.el9_2, firefox-0:140.6.0-1.el8_2, firefox-0:140.6.0-1.el10_1, firefox-0:140.6.0-1.el7_9, firefox-0:140.6.0-1.el9_7, thunderbird-0:140.6.0-1.el9_6, thunderbird-0:140.6.0-1.el8_6, thunderbird-0:140.6.0-1.el9_4, thunderbird-0:140.6.0-1.el8_4, thunderbird-0:140.6.0-1.el8_8, thunderbird-0:140.6.0-1.el9_7, thunderbird-0:140.6.0-1.el9_2, thunderbird-0:140.6.0-1.el8_2, thunderbird-0:140.6.0-1.el9_0, firefox-0:140.6.0-2.el9_6, firefox-0:140.6.0-2.el8_8, firefox-0:140.6.0-2.el8_4, firefox-0:140.6.0-2.el8_6, firefox-0:140.6.0-1.el8_10, thunderbird-0:140.6.0-1.el8_10 severity important	source
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. zetlyn/cve-nvd · 2025-12-09	automatable no cvss 8 cvss_vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N cwe CWE-754 exploitation none product Firefox severity HIGH status Modified technical_impact total vendor Mozilla	source