← Back

CVE-2026-56003

nvd nist
Published: Jul 8, 2026Modified: Jul 9, 2026

JSON object

Loading...
8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

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.

Affected (1)

Products: X: Libxfont
X
1 product
Libxfont
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Libxfont
From 2.0.0 to 2.0.8

Related CWEs

CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (2)

Source: meissner@suse.de
Patch
Source: meissner@suse.de
Mailing ListPatchThird Party Advisory

Timeline

No history available yet.