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CVE-2026-56003 A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2…

Description

A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server.

Produits et versions touchés

Produit Versions touchées Corrigé en
libXfont2 2.0 premières → < 2.0.8 2.0.8

Références

Chronologie

  1. Publiée
  2. Dernière modification

Autres CVE de libXfont2

Les 3 CVE de libXfont2 →
CVE-2026-56002 A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8  allows attackers… 8.5 Élevée CVE-2026-56001 A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by… 8.5 Élevée
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