curl: libcurl: Improper certificate validation due to cached TLS settings reuse

cve CVE-2025-14819 2 sources, 2 claims · Watch

Red Hat writes:
curl: libcurl: Improper certificate validation due to cached TLS settings reuse the claim

What it is to other things

affectshaxx/curl
NVD
made_byhaxx
NVD

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

affectscurl/curl
NVD says “curl · curl”
made_bycurl
NVD says “curl”

What each source says

PropertySourceSaidMeans here
Cvss
cvss
conflict
NVD5.3
receipt
Source
NVD
Its words
5.3
Read by
field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-09-29 09:45 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "curl",
            "vendor": "curl",
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              {
                "lessThan": "8.14.2",
                "status": "affected",
                "version": "7.87.0",
                "versionType": "semver"
              },
              {
                "lessThan": "8.16.1",
                "status": "affected",
                "version": "8.15.0",
                "versionType": "semver"
              },
              {
                "lessThan": "8.18.0",
                "status": "affected",
                "version": "8.17.0",
                "versionType": "semver"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "curl",
            "repo": "https://github.com/curl/curl.git",
            "vendor": "curl",
            "versions": [
              {
                "lessThan": "cd046f6c93b39d673a58c18648d8906e954c4f5d",
                "status": "affected",
                "version": "3c16697ebd796f799227be293e8689aec5f8190d",
                "versionType": "git"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "curl",
            "vendor": "curl",
            "versions": [
              {
                "status": "affected",
                "version": "8.17.0"
              },
              {
                "status": "affected",
                "version": "8.16.0"
              },
              {
                "status": "affected",
                "version": "8.15.0"
              },
              {
                "status": "affected",
                "version": "8.14.1"
              },
              {
                "status": "affected",
                "version": "8.14.0"
              },
              {
                "status": "affected",
                "version": "8.13.0"
              },
              {
                "status": "affected",
                "version": "8.12.1"
              },
              {
                "status": "affected",
                "version": "8.12.0"
              },
              {
                "status": "affected",
                "version": "8.11.1"
              },
              {
                "status": "affected",
                "version": "8.11.0"
              },
              {
                "status": "affected",
                "version": "8.10.1"
              },
              {
                "status": "affected",
                "version": "8.10.0"
              },
              {
                "status": "affected",
                "version": "8.9.1"
              },
              {
                "status": "affected",
                "version": "8.9.0"
              },
              {
                "status": "affected",
                "version": "8.8.0"
              },
              {
                "status": "affected",
                "version": "8.7.1"
              },
              {
                "status": "affected",
                "version": "8.7.0"
              },
              {
                "status": "affected",
                "version": "8.6.0"
              },
              {
                "status": "affected",
                "version": "8.5.0"
              },
              {
                "status": "affected",
                "version": "8.4.0"
              },
              {
                "status": "affected",
                "version": "8.3.0"
              },
              {
                "status": "affected",
                "version": "8.2.1"
              },
              {
                "status": "affected",
                "version": "8.2.0"
              },
              {
                "status": "affected",
                "version": "8.1.2"
              },
              {
                "status": "affected",
                "version": "8.1.1"
              },
              {
                "status": "affected",
                "version": "8.1.0"
              },
              {
                "status": "affected",
                "version": "8.0.1"
              },
              {
                "status": "affected",
                "version": "8.0.0"
              },
              {
                "status": "affected",
                "version": "7.88.1"
              },
              {
                "status": "affected",
                "version": "7.88.0"
              },
              {
                "status": "affected",
                "version": "7.87.0"
              }
            ]
          }
        ],
        "source": "2499f714-1537-4658-8207-48ae4bb9eae9"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "83978599-3111-4F13-BFAE-1B0423D8A75F",
                "versionEndExcluding": "8.18.0",
                "versionStartIncluding": "7.87.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "When doing TLS related transfers with reused easy or multi handles and\naltering the `CURLSSLOPT_NO_PARTIALCHAIN` option, libcurl could accidentally\nreuse a CA store cached in memory for which the partial chain option was\nreversed. Contrary to the user's wishes and expectations. This could make\nlibcurl find and accept a trust chain that it otherwise would not."
      }
    ],
    "id": "CVE-2025-14819",
    "lastModified": "2026-09-15T07:16:24.260",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 3.6,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-14819",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-01-08T15:00:02.949618Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-01-08T10:15:46.730",
    "references": [
      {
        "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "tags": [
          "Mitigation",
          "Patch",
          "Vendor Advisory"
        ],
        "url": "https://curl.se/docs/CVE-2025-14819.html"
      },
      {
        "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://curl.se/docs/CVE-2025-14819.json"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Mitigation",
          "Patch",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/01/07/5"
      }
    ],
    "sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-295"
          }
        ],
        "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-295"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}
—
Cvss
cvss
conflict
Red Hat6.8
receipt
Source
Red Hat
Its words
6.8
Read by
field:cvss3_score
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2025-14819",
  "CWE": "CWE-295",
  "advisories": [
    "RHSA-2026:55450",
    "RHSA-2026:6893"
  ],
  "affected_packages": [
    "curl-0:8.12.1-4.el10_2.3",
    "curl-main-8.19.0-3.hum1"
  ],
  "bugzilla": "2426408",
  "bugzilla_description": "curl: libcurl: Improper certificate validation due to cached TLS settings reuse",
  "cvss3_score": "6.8",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-01-07T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14819.json",
  "severity": "low"
}
—
Cwe
cwe
Red HatCWE-295
receipt
Source
Red Hat
Its words
CWE-295
Read by
field:CWE
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2025-14819",
  "CWE": "CWE-295",
  "advisories": [
    "RHSA-2026:55450",
    "RHSA-2026:6893"
  ],
  "affected_packages": [
    "curl-0:8.12.1-4.el10_2.3",
    "curl-main-8.19.0-3.hum1"
  ],
  "bugzilla": "2426408",
  "bugzilla_description": "curl: libcurl: Improper certificate validation due to cached TLS settings reuse",
  "cvss3_score": "6.8",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-01-07T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14819.json",
  "severity": "low"
}
—
Packages
packages
Red Hatcurl-0:8.12.1-4.el10_2.3, curl-main-8.19.0-3.hum1
receipt
Source
Red Hat
Its words
curl-0:8.12.1-4.el10_2.3, curl-main-8.19.0-3.hum1
Read by
field:affected_packages[]
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2025-14819",
  "CWE": "CWE-295",
  "advisories": [
    "RHSA-2026:55450",
    "RHSA-2026:6893"
  ],
  "affected_packages": [
    "curl-0:8.12.1-4.el10_2.3",
    "curl-main-8.19.0-3.hum1"
  ],
  "bugzilla": "2426408",
  "bugzilla_description": "curl: libcurl: Improper certificate validation due to cached TLS settings reuse",
  "cvss3_score": "6.8",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-01-07T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14819.json",
  "severity": "low"
}
—
Product
product
NVDcurl
receipt
Source
NVD
Its words
curl
Read by
field:cve.affected[].affectedData[].product
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
2026-09-29 17:49 UTCcurl
2026-09-29 09:45 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "curl",
            "vendor": "curl",
            "versions": [
              {
                "lessThan": "8.14.2",
                "status": "affected",
                "version": "7.87.0",
                "versionType": "semver"
              },
              {
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                "status": "affected",
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                "versionType": "semver"
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              }
            ]
          },
          {
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            "vendor": "curl",
            "versions": [
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                "lessThan": "cd046f6c93b39d673a58c18648d8906e954c4f5d",
                "status": "affected",
                "version": "3c16697ebd796f799227be293e8689aec5f8190d",
                "versionType": "git"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "curl",
            "vendor": "curl",
            "versions": [
              {
                "status": "affected",
                "version": "8.17.0"
              },
              {
                "status": "affected",
                "version": "8.16.0"
              },
              {
                "status": "affected",
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              },
              {
                "status": "affected",
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              },
              {
                "status": "affected",
                "version": "8.14.0"
              },
              {
                "status": "affected",
                "version": "8.13.0"
              },
              {
                "status": "affected",
                "version": "8.12.1"
              },
              {
                "status": "affected",
                "version": "8.12.0"
              },
              {
                "status": "affected",
                "version": "8.11.1"
              },
              {
                "status": "affected",
                "version": "8.11.0"
              },
              {
                "status": "affected",
                "version": "8.10.1"
              },
              {
                "status": "affected",
                "version": "8.10.0"
              },
              {
                "status": "affected",
                "version": "8.9.1"
              },
              {
                "status": "affected",
                "version": "8.9.0"
              },
              {
                "status": "affected",
                "version": "8.8.0"
              },
              {
                "status": "affected",
                "version": "8.7.1"
              },
              {
                "status": "affected",
                "version": "8.7.0"
              },
              {
                "status": "affected",
                "version": "8.6.0"
              },
              {
                "status": "affected",
                "version": "8.5.0"
              },
              {
                "status": "affected",
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              },
              {
                "status": "affected",
                "version": "8.3.0"
              },
              {
                "status": "affected",
                "version": "8.2.1"
              },
              {
                "status": "affected",
                "version": "8.2.0"
              },
              {
                "status": "affected",
                "version": "8.1.2"
              },
              {
                "status": "affected",
                "version": "8.1.1"
              },
              {
                "status": "affected",
                "version": "8.1.0"
              },
              {
                "status": "affected",
                "version": "8.0.1"
              },
              {
                "status": "affected",
                "version": "8.0.0"
              },
              {
                "status": "affected",
                "version": "7.88.1"
              },
              {
                "status": "affected",
                "version": "7.88.0"
              },
              {
                "status": "affected",
                "version": "7.87.0"
              }
            ]
          }
        ],
        "source": "2499f714-1537-4658-8207-48ae4bb9eae9"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "83978599-3111-4F13-BFAE-1B0423D8A75F",
                "versionEndExcluding": "8.18.0",
                "versionStartIncluding": "7.87.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "When doing TLS related transfers with reused easy or multi handles and\naltering the `CURLSSLOPT_NO_PARTIALCHAIN` option, libcurl could accidentally\nreuse a CA store cached in memory for which the partial chain option was\nreversed. Contrary to the user's wishes and expectations. This could make\nlibcurl find and accept a trust chain that it otherwise would not."
      }
    ],
    "id": "CVE-2025-14819",
    "lastModified": "2026-09-15T07:16:24.260",
    "metrics": {
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 3.6,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
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      ],
      "ssvcV203": [
        {
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            "options": [
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              },
              {
                "technicalImpact": "partial"
              }
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            "role": "CISA Coordinator",
            "timestamp": "2026-01-08T15:00:02.949618Z",
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          }
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    "references": [
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        "tags": [
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        ],
        "url": "https://curl.se/docs/CVE-2025-14819.json"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "tags": [
          "Mailing List",
          "Mitigation",
          "Patch",
          "Third Party Advisory"
        ],
        "url": "http://www.openwall.com/lists/oss-security/2026/01/07/5"
      }
    ],
    "sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
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          {
            "lang": "en",
            "value": "CWE-295"
          }
        ],
        "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-295"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}
—
Severity
severity
Red Hatlow
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
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2025-14819",
  "CWE": "CWE-295",
  "advisories": [
    "RHSA-2026:55450",
    "RHSA-2026:6893"
  ],
  "affected_packages": [
    "curl-0:8.12.1-4.el10_2.3",
    "curl-main-8.19.0-3.hum1"
  ],
  "bugzilla": "2426408",
  "bugzilla_description": "curl: libcurl: Improper certificate validation due to cached TLS settings reuse",
  "cvss3_score": "6.8",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-01-07T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14819.json",
  "severity": "low"
}
—
Status
status
NVDModified
receipt
Source
NVD
Its words
Modified
Read by
field:cve.vulnStatus
Said since
2026-09-29 09:45 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "curl",
            "vendor": "curl",
            "versions": [
              {
                "lessThan": "8.14.2",
                "status": "affected",
                "version": "7.87.0",
                "versionType": "semver"
              },
              {
                "lessThan": "8.16.1",
                "status": "affected",
                "version": "8.15.0",
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}
—
Vendor
vendor
NVDcurl
receipt
Source
NVD
Its words
curl
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-04 06:13 UTC
Original
open at the source
2026-09-29 17:49 UTCcurl
2026-09-29 09:45 UTC—
What the source handed over
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—

vulnerability

curl: libcurl: Improper certificate validation due to cached TLS settings reuse
zetlyn/cve-redhat · 2026-01-07
cvss 6.8 cwe CWE-295 packages curl-0:8.12.1-4.el10_2.3, curl-main-8.19.0-3.hum1 severity low source
When doing TLS related transfers with reused easy or multi handles and altering the `CURLSSLOPT_NO_PARTIALCHAIN` option, libcurl could accidentally reuse a CA store cached in memory for which the partial chain option was reversed. Contrary to the user's wishes and expectations. This could make libcurl find and accept a trust chain that it otherwise would not.
zetlyn/cve-nvd · 2026-01-08
cvss 5.3 product curl status Modified vendor curl source