CVE-2026-42311

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-190 CWE-787
Vendor	python-pillow
Product	pillow
Published	May 9, 2026

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Affected Versions

python-pillow / Pillow

>= 10.3.0, < 12.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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