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Pillow: OOB Write with Invalid PSD Tile Extents (Integer Overflow)

python-pillow Pillow · CVE-2026-42311
0 news outlets0 CERTs and agencies0 researchers

What is it?

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.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
8.6
EPSS
0.2%
First seen
1 d ago
Status
corroborated

All python-pillow vulnerabilities