GHSA-cfh3-3jmp-rvhc

Pillow affected by out-of-bounds write when loading PSD images

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

Affected packages

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

Sources