CVE-2026-42311

Summary

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.

Affected Software

Weaknesses

• CWE-190: CWE-190: Integer Overflow or Wraparound
• CWE-787: CWE-787: Out-of-bounds Write

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• https://github.com/python-pillow/Pillow/security/advisories/GHSA-pwv6-vv43-88gr
• https://github.com/python-pillow/Pillow/pull/9520
• https://github.com/python-pillow/Pillow/commit/58f9a1d166dcb0c274807d4423522d205b0c35ea
• https://github.com/python-pillow/Pillow/releases/tag/12.2.0

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