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HIGHCVE-2026-42311Published Modified CNA GitHub_M

CVE-2026-42311: Pillow: OOB Write with Invalid PSD Tile Extents (Integer Overflow)

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.

Metrics

CVSS v4.0
8.6
Severity
HIGH
Fixed in
—
Affected Products
1
Affected packages
  • python-pillow / Pillow
    >= 10.3.0, < 12.2.0
CVSS Vector
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
References