GitHub Advisoryadvisory · PyPI
GHSA-cfh3-3jmp-rvhc Pillow affected by out-of-bounds write when loading PSD images
HIGH
Official page ↗
- Aliases
- CVE-2026-25990
- Ecosystem
- PyPI
- Packages
- pillow
- Severity
- High
- CVSS vector
- 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
- Weaknesses
- CWE-787
- Reviewed
- 2026-02-11
Affected packages
• PyPI pillow: >= 10.3.0, < 12.1.1 → fixed in 12.1.1
Description
Impact
An out-of-bounds write may be triggered when loading a specially crafted PSD image. Pillow >= 10.3.0 users are affected.
Patches
Pillow 12.1.1 will be released shortly with a fix for this.
Workarounds
`Image.open()` has a `formats` parameter that can be used to prevent PSD images from being opened.
References
Pillow 12.1.1 will add release notes at https://pillow.readthedocs.io/en/stable/releasenotes/index.html
Related
Alias · CVE (1)
- CVE-2026-25990 Pillow is a Python imaging library. vulnerability
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhc web
- https://nvd.nist.gov/vuln/detail/CVE-2026-25990 advisory
- https://github.com/python-pillow/Pillow/pull/9427 web
- https://github.com/python-pillow/Pillow/commit/54ba4db542ad3c7b918812a4e2d69c27735a3199 web
- https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa web
- https://github.com/python-pillow/Pillow package
- https://pillow.readthedocs.io/en/stable/releasenotes/12.1.1.html web