Vulnerabilidades do X.org libXfont2
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CVEs publicadas que afetam X.org libXfont2: 3 registro(s), com versões afetadas e correções.
CVE-2026-56003
Alta · 8.8
CWE-122 08/07/2026
libXfont2 computeProps Property Buffer Heap Buffer Overflow
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.
CVE-2026-56002
Alta · 8.8
CWE-122 08/07/2026
libXfont2 PCF Font Parsing Heap Buffer Overflow
A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.
CVE-2026-56001
Alta · 8.8
CWE-122 08/07/2026
libXfont2 BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow
A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers able to access the X Server to execute code within the X server cont