BREW-PILLOW-CVE-2026-25990 (CVE-2026-25990)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:28 – Updated: 2026-09-10 20:25 – Source website
VLAI
Summary
Pillow has an out-of-bounds write when loading PSD images
Details

Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

Severity
8.6 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
http://www.openwall.com/lists/oss-security/2026/02/12/1 WEB
https://security.access.redhat.com/data/csaf/v2/v… WEB
https://access.redhat.com/errata/RHSA-2026:10184 ADVISORY
https://access.redhat.com/errata/RHSA-2026:14873 ADVISORY
https://access.redhat.com/errata/RHSA-2026:14874 ADVISORY
https://access.redhat.com/errata/RHSA-2026:16174 ADVISORY
https://access.redhat.com/errata/RHSA-2026:19712 ADVISORY
https://access.redhat.com/errata/RHSA-2026:28385 ADVISORY
https://access.redhat.com/errata/RHSA-2026:3461 ADVISORY
https://access.redhat.com/errata/RHSA-2026:3462 ADVISORY
https://access.redhat.com/errata/RHSA-2026:4128 ADVISORY
https://access.redhat.com/errata/RHSA-2026:42644 ADVISORY
https://access.redhat.com/errata/RHSA-2026:4942 ADVISORY
https://access.redhat.com/errata/RHSA-2026:5168 ADVISORY
https://access.redhat.com/errata/RHSA-2026:5665 ADVISORY
https://access.redhat.com/errata/RHSA-2026:6277 ADVISORY
https://access.redhat.com/errata/RHSA-2026:6278 ADVISORY
https://access.redhat.com/errata/RHSA-2026:6308 ADVISORY
https://access.redhat.com/errata/RHSA-2026:6309 ADVISORY
https://access.redhat.com/errata/RHSA-2026:6497 ADVISORY
https://access.redhat.com/errata/RHSA-2026:6567 ADVISORY
https://access.redhat.com/errata/RHSA-2026:6568 ADVISORY
https://access.redhat.com/security/cve/CVE-2026-25990 ADVISORY
https://github.com/CVEProject/cvelistV5/tree/main… ADVISORY
https://github.com/python-pillow/Pillow/security/… ADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-25990 ADVISORY
https://bugzilla.redhat.com/show_bug.cgi?id=2439170 REPORT
https://github.com/python-pillow/Pillow/commit/90… FIX
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "12.1.1"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "pillow",
        "purl": "pkg:brew/pillow"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "12.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "git",
    "upstream_evidence": [
      {
        "ecosystem": "GIT",
        "key": "https://github.com/python-pillow/pillow",
        "name": "https://github.com/python-pillow/pillow",
        "strategy": "git",
        "subject_version": "12.3.0"
      },
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/pillow@12.3.0",
        "name": "pillow",
        "strategy": "registry",
        "subject_version": "12.3.0"
      },
      {
        "ecosystem": "Debian",
        "key": "Debian/pillow",
        "name": "pillow",
        "strategy": "distro"
      },
      {
        "ecosystem": "GIT",
        "key": "upstream:https://github.com/python-pillow/pillow",
        "name": "https://github.com/python-pillow/pillow",
        "strategy": "distro",
        "subject_version": "12.3.0"
      },
      {
        "ecosystem": "PyPI",
        "key": "upstream:pkg:pypi/pillow@12.3.0",
        "name": "pillow",
        "strategy": "distro",
        "subject_version": "12.3.0"
      },
      {
        "ecosystem": "Ubuntu",
        "key": "Ubuntu/pillow",
        "name": "pillow",
        "strategy": "distro"
      }
    ]
  },
  "details": "Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.",
  "id": "BREW-pillow-CVE-2026-25990",
  "modified": "2026-09-10T20:25:15Z",
  "published": "2026-08-13T17:28:20Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/02/12/1"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25990.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:10184"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:14873"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:14874"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:16174"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:19712"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:28385"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:3461"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:3462"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:4128"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:42644"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:4942"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:5168"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:5665"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6277"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6278"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6308"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6309"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6497"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6567"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6568"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-25990"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25990.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhc"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25990"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439170"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Pillow has an out-of-bounds write when loading PSD images",
  "upstream": [
    "CVE-2026-25990",
    "BIT-pillow-2026-25990",
    "GHSA-cfh3-3jmp-rvhc",
    "PYSEC-2026-2249"
  ]
}



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