OESA-2026-3055 libXfont2 security update

libXfont provides the core of the legacy X11 font system, handling the index files fonts.dir, fonts.alias, fonts.scale, the various font file formats, and rasterizing them. contains runtime library. Security Fixes: A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an...

Security update for libXfont2

This update for libXfont2 fixes the following issues CVE-2026-56001: integer overflow in BitmapScaleBitmaps can lead to a heap buffer overflow bsc1269018. CVE-2026-56002: insufficient checks in pcfReadFont can lead to a heap buffer overflow bsc1269019. CVE-2026-56003: missing bounds check in...

PT-2026-56390

Name of the Vulnerable Software and Affected Versions libXfont2 versions prior to 2.0.8 Description A heap bufferflow occurs in the pcfReadFont function due to missing glyph bounds checking. This allows an authenticated X client to execute arbitrary code within the X server. Recommendations Updat...