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Project
Branch
Version
kirkstone
1.5.4
Name
libxfont
Version
1.5.4
Type
library
Description
XFont: X Font rasterisation library
Licenses
MIT & MIT & BSD-3-Clause
PURL
-
CPE
cpe:2.3:*:x:libxfont:1.5.4:*:*:*:*:*:*:*
Other Versions#
Patches#
#
Title
Author
Resolve
1
bitscale: fix integer overflow in BitmapScaleBitmaps
Peter Hutterer <peter.hutterer@who-t.net>
CVE-2026-56001
2
bitscale: add bounds check to computeProps for property
Peter Hutterer <peter.hutterer@who-t.net>
CVE-2026-56003
3
pcfread: validate bitmap sizes and offsets against per-glyph
Peter Hutterer <peter.hutterer@who-t.net>
CVE-2026-56002
Vulnerabilities#
Name
Analysis
Description
Patched
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.
Patched
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.
Patched
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