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CVE-2026-25990

Pillow has an out-of-bounds write when loading PSD images

CVSS 8.6 HIGHEPSS 0.4%CWE-787
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.
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
Affected products
python-pillow · Pillow

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References
https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aahttps://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhchttp://www.openwall.com/lists/oss-security/2026/02/12/1