CVE-2026-42311

Description

Pillow is a Python imaging library. From version 10.3.0 to before version 12.2.0, processing a malicious PSD file could lead to memory corruption, potentially resulting in a crash or arbitrary code execution. This issue has been patched in version 12.2.0.

PUBLISHED Reserved 2026-04-26 | Published 2026-05-09 | Updated 2026-05-09 | Assigner GitHub_M

Problem types

CWE-190: Integer Overflow or Wraparound

CWE-787: Out-of-bounds Write

Product status

References

github.com/...Pillow/security/advisories/GHSA-pwv6-vv43-88gr

github.com/python-pillow/Pillow/pull/9520

github.com/...ommit/58f9a1d166dcb0c274807d4423522d205b0c35ea

github.com/python-pillow/Pillow/releases/tag/12.2.0

cve.org (CVE-2026-42311)

nvd.nist.gov (CVE-2026-42311)

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