ALT-PU-2026-3384-1 — python3-module-pillow

CVE-2026-25990

HIGH8.6

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.

Published: 2026-02-11Modified: 2026-04-30

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0HIGH 8.6

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa
https://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhc
http://www.openwall.com/lists/oss-security/2026/02/12/1

Package update python3-module-pillow in branch sisyphus_riscv64

Closed issues (2)

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.

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