PT-2026-56390 · Libxfont2+2 · Libxfont2+2
CVE-2026-56002
·
Published
2026-07-08
·
Updated
2026-07-28
CVSS v3.1
8.8
High
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
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
Update libXfont2 to version 2.0.8 or later.
Exploit
Fix
Heap Based Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Rocky Linux
Ubuntu
Libxfont2