CVE-2026-56001

8.5 HIGH

Published: July 08, 2026 Modified: July 08, 2026

Description

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

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://gitlab.freedesktop.org/xorg/lib/libxfont/-/commit/be0b08e2d354138d3222b4490e2a77c6ee42f778

Source: meissner@suse.de

https://www.openwall.com/lists/oss-security/2026/07/08/1

Source: meissner@suse.de

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.5 / 10.0

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-122

Related CVEs