🛡️ CVE-2026-42309
🟡 CVSS 5.0 — Medium ✅ No Known Exploit NVD
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Pillow is a Python imaging library. From version 11.2.1 to before version 12.2.0, passing nested lists as coordinates to APIs that accept coordinates such as ImagePath.Path, ImageDraw.ImageDraw.polygon and ImageDraw.ImageDraw.line could cause a heap buffer overflow, as nested lists were recursively unpacked beyond the allocated buffer. Coordinate lists are now validated to contain exactly two numeric coordinates. This issue has been patched in version 12.2.0.

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2026-05-12
Updated 2026-06-15
Modified 2026-05-12
Fix URL N/A

Affected Packages

Software From version Fixed in
pillow — —
unknown — —

Similar Threats

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