CVE-2026-25990
HIGH7.5EPSS 0.01%Pillow affected by out-of-bounds write when loading PSD images
Published: 2/11/2026Modified: 5/5/2026
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 (4)
- Bitnami/pillow>= 10.3.0, < 12.1.1
- Debian/pillowfrom 0, < 11.1.0-5+deb13u1
- Debian/pillowfrom 0, < 11.1.0-5+deb13u1
- PyPI/pillow>= 10.3.0, < 12.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-25990
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-25990
- PATCHhttps://github.com/python-pillow/Pillow
- WEBhttps://github.com/python-pillow/Pillow/commit/54ba4db542ad3c7b918812a4e2d69c27735a3199
- WEBhttps://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa
- WEBhttps://github.com/python-pillow/Pillow/pull/9427
- WEBhttps://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhc
- WEBhttps://pillow.readthedocs.io/en/stable/releasenotes/12.1.1.html
- WEBhttp://www.openwall.com/lists/oss-security/2026/02/12/1