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CVE-2026-96644 Pillow is a Python imaging library

Description

Pillow is a Python imaging library. Prior to 13.0.0 on Windows, src/PIL/WmfImagePlugin.py passes unchecked 32-bit WMF or EMF dimensions to the native drawwmf handler in src/display.c. The handler sizes a DIB allocation from 16-bit-truncated bcWidth and bcHeight fields but copies pixel data using the original full dimensions. A crafted wide, short metafile can pass the pixel-count decompression-bomb check and make the Windows-only renderer read beyond the heap buffer, potentially disclosing memory or crashing the process. This issue is fixed in version 13.0.0.

Produits et versions touchés

Produit Versions touchées Corrigé en
Pillow 13.0 premières → < 13.0.0 13.0.0

Références

Chronologie

  1. Publiée
  2. Dernière modification
Les 60 CVE de Pillow →
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