gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block

cve CVE-2026-18090 2 sources, 2 claims · Watch

Red Hat writes:
gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block the claim

Severity they disagree: MEDIUM NVD
low Red Hat
CVSS: 6.1 NVD
6.1 Red Hat
Vendor: Red Hat NVD
Product: Red Hat Enterprise Linux 10 NVD
CWE: CWE-125 NVD
CWE-125 Red Hat

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

Timeline

2026-07-24	first spoke of it: gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block	Red Hat
2026-09-08	first spoke of it: A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.	NVD

What it is to other things

In words only, so not counted until a person confirms one:

affects	`red_hat/red_hat_enterprise_linux_10` NVD says “Red Hat · Red Hat Enterprise Linux 10”
made_by	`red_hat` NVD says “Red Hat”

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	no
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "glycin-loaders",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "gnome-tour",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
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            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            "packageName": "loupe",
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          },
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            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 7",
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          },
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            "packageName": "gdk-pixbuf2-xlib",
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            "vendor": "Red Hat"
          },
          {
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    "cveTags": [],
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      }
    ],
    "id": "CVE-2026-18090",
    "lastModified": "2026-09-14T13:17:35.263",
    "metrics": {
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            "availabilityImpact": "HIGH",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
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            "role": "CISA Coordinator",
            "timestamp": "2026-09-14T12:08:11.268047Z",
            "version": "2.0.3"
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    "references": [
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        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517751"
      },
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      }
    ],
    "sourceIdentifier": "secalert@redhat.com",
    "vulnStatus": "Awaiting Analysis",
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        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

NVD

6.1

receipt

Source: NVD
Its words: 6.1
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
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            "vendor": "Red Hat"
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            "cpes": [
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            "defaultStatus": "unknown",
            "packageName": "glycin-loaders",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
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            "defaultStatus": "unknown",
            "packageName": "loupe",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
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          {
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            "cpes": [
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            "defaultStatus": "unknown",
            "packageName": "papers",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
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            "vendor": "Red Hat"
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        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

Red Hat

6.1

receipt

Source: Red Hat
Its words: 6.1
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-2026-18090",
  "CWE": "CWE-125",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2517751",
  "bugzilla_description": "gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block",
  "cvss3_score": "6.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-07-24T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-18090.json",
  "severity": "low"
}

—

CVSS vector

cvss_vector

NVD

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

receipt

Source: NVD
Its words: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
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          },
          {
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            "vendor": "Red Hat"
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            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2-xlib",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gnome-tour",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          }
        ],
        "source": "secalert@redhat.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory."
      }
    ],
    "id": "CVE-2026-18090",
    "lastModified": "2026-09-14T13:17:35.263",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 4.2,
          "source": "secalert@redhat.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-18090",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-14T12:08:11.268047Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T23:17:22.760",
    "references": [
      {
        "source": "secalert@redhat.com",
        "url": "https://access.redhat.com/security/cve/CVE-2026-18090"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517751"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/308"
      }
    ],
    "sourceIdentifier": "secalert@redhat.com",
    "vulnStatus": "Awaiting Analysis",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-125"
          }
        ],
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

Red Hat

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

receipt

Source: Red Hat
Its words: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/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:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
2026-09-29 09:44 UTC	—

What the source handed over

{
  "CVE": "CVE-2026-18090",
  "CWE": "CWE-125",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2517751",
  "bugzilla_description": "gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block",
  "cvss3_score": "6.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-07-24T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-18090.json",
  "severity": "low"
}

—

CWE

cwe

NVD

CWE-125

receipt

Source: NVD
Its words: CWE-125
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CWE-125
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "glycin-loaders",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "gnome-tour",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "loupe",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "papers",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "snapshot",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:6"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 6",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:7"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 7",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:8"
            ],
            "defaultStatus": "unknown",
            "packageName": "cppcheck",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:8"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2-xlib",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gnome-tour",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          }
        ],
        "source": "secalert@redhat.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory."
      }
    ],
    "id": "CVE-2026-18090",
    "lastModified": "2026-09-14T13:17:35.263",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 4.2,
          "source": "secalert@redhat.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-18090",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-14T12:08:11.268047Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T23:17:22.760",
    "references": [
      {
        "source": "secalert@redhat.com",
        "url": "https://access.redhat.com/security/cve/CVE-2026-18090"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517751"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/308"
      }
    ],
    "sourceIdentifier": "secalert@redhat.com",
    "vulnStatus": "Awaiting Analysis",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-125"
          }
        ],
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CWE

cwe

Red Hat

CWE-125

receipt

Source: Red Hat
Its words: CWE-125
Read by: field:CWE
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-2026-18090",
  "CWE": "CWE-125",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2517751",
  "bugzilla_description": "gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block",
  "cvss3_score": "6.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-07-24T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-18090.json",
  "severity": "low"
}

—

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	none
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "glycin-loaders",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "gnome-tour",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "loupe",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "papers",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "snapshot",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:6"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 6",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:7"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 7",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:8"
            ],
            "defaultStatus": "unknown",
            "packageName": "cppcheck",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:8"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2-xlib",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "gnome-tour",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:9"
            ],
            "defaultStatus": "unknown",
            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          }
        ],
        "source": "secalert@redhat.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory."
      }
    ],
    "id": "CVE-2026-18090",
    "lastModified": "2026-09-14T13:17:35.263",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 4.2,
          "source": "secalert@redhat.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-18090",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-14T12:08:11.268047Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T23:17:22.760",
    "references": [
      {
        "source": "secalert@redhat.com",
        "url": "https://access.redhat.com/security/cve/CVE-2026-18090"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517751"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/308"
      }
    ],
    "sourceIdentifier": "secalert@redhat.com",
    "vulnStatus": "Awaiting Analysis",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-125"
          }
        ],
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Product

product

NVD

Red Hat Enterprise Linux 10

receipt

Source: NVD
Its words: Red Hat Enterprise Linux 10
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Red Hat Enterprise Linux 10
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
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      }
    ],
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}

—

Severity

severity

conflict

NVD

MEDIUM

From 4.0 to 6.9.

receipt

Source: NVD
Its words: MEDIUM
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	MEDIUM
2026-09-29 09:45 UTC	—

What the source handed over

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}

medium

Severity

severity

conflict

Red Hat

low

A flaw that is unlikely to be exploited, or whose impact is minimal.

receipt

Source: Red Hat
Its words: low
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

{
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  "CWE": "CWE-125",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2517751",
  "bugzilla_description": "gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block",
  "cvss3_score": "6.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-07-24T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-18090.json",
  "severity": "low"
}

—

Status

status

NVD

Awaiting Analysis

receipt

Source: NVD
Its words: Awaiting Analysis
Read by: field:cve.vulnStatus
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 4.2,
          "source": "secalert@redhat.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-18090",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-14T12:08:11.268047Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T23:17:22.760",
    "references": [
      {
        "source": "secalert@redhat.com",
        "url": "https://access.redhat.com/security/cve/CVE-2026-18090"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517751"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/308"
      }
    ],
    "sourceIdentifier": "secalert@redhat.com",
    "vulnStatus": "Awaiting Analysis",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-125"
          }
        ],
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Technical impact

technical_impact

NVD

partial

The attacker gains limited control, or limited information.

receipt

Source: NVD
Its words: partial
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	partial
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
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      {
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            "packageName": "gdk-pixbuf2",
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            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "papers",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
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            ],
            "defaultStatus": "unknown",
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            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 7",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
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            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            "packageName": "gnome-tour",
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            "vendor": "Red Hat"
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          {
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            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          }
        ],
        "source": "secalert@redhat.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory."
      }
    ],
    "id": "CVE-2026-18090",
    "lastModified": "2026-09-14T13:17:35.263",
    "metrics": {
      "cvssMetricV31": [
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          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
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            "confidentialityImpact": "LOW",
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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
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          "source": "secalert@redhat.com",
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            "options": [
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              },
              {
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              },
              {
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              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-14T12:08:11.268047Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T23:17:22.760",
    "references": [
      {
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        "url": "https://access.redhat.com/security/cve/CVE-2026-18090"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517751"
      },
      {
        "source": "secalert@redhat.com",
        "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/308"
      }
    ],
    "sourceIdentifier": "secalert@redhat.com",
    "vulnStatus": "Awaiting Analysis",
    "weaknesses": [
      {
        "description": [
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            "value": "CWE-125"
          }
        ],
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

Red Hat

receipt

Source: NVD
Its words: Red Hat
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Red Hat
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10"
            ],
            "defaultStatus": "unknown",
            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "glycin-loaders",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat"
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          {
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            "packageName": "loupe",
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          },
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            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            "packageName": "snapshot",
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          },
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            "product": "Red Hat Enterprise Linux 6",
            "vendor": "Red Hat"
          },
          {
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            "packageName": "gdk-pixbuf2",
            "product": "Red Hat Enterprise Linux 7",
            "vendor": "Red Hat"
          },
          {
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            "packageName": "cppcheck",
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            "vendor": "Red Hat"
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          {
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            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            "packageName": "gdk-pixbuf2",
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            "vendor": "Red Hat"
          },
          {
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            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "packageName": "gnome-tour",
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            "vendor": "Red Hat"
          },
          {
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            "cpes": [
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            "defaultStatus": "unknown",
            "packageName": "librsvg2",
            "product": "Red Hat Enterprise Linux 9",
            "vendor": "Red Hat"
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        ],
        "source": "secalert@redhat.com"
      }
    ],
    "cveTags": [],
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      {
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        "value": "A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory."
      }
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    "lastModified": "2026-09-14T13:17:35.263",
    "metrics": {
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        }
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            "options": [
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              },
              {
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              },
              {
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              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-14T12:08:11.268047Z",
            "version": "2.0.3"
          }
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    "references": [
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      },
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      },
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        "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/308"
      }
    ],
    "sourceIdentifier": "secalert@redhat.com",
    "vulnStatus": "Awaiting Analysis",
    "weaknesses": [
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          }
        ],
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Every claim, by kind

vulnerability

gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted ICNS RLE block zetlyn/cve-redhat · 2026-07-24	cvss 6.1 cvss_vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H cwe CWE-125 severity low	source
A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory. zetlyn/cve-nvd · 2026-09-08	automatable no cvss 6.1 cvss_vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H cwe CWE-125 exploitation none product Red Hat Enterprise Linux 10 severity MEDIUM status Awaiting Analysis technical_impact partial vendor Red Hat	source