What is GHSA-j726-7g32-78m6?

GHSA-j726-7g32-78m6 is a security advisory published by GitHub Security Advisories with High severity. A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing...

Which CVE IDs does GHSA-j726-7g32-78m6 cover?

GHSA-j726-7g32-78m6 covers the following CVE IDs: CVE-2026-56001. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j726-7g32-78m6?

GHSA-j726-7g32-78m6 has a CVSS v3 base score of 8.5, published by GitHub Security Advisories.

GHSA-j726-7g32-78m6HighCVSS 8.5

A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing...

Vendor

GitHub Security Advisories

Published

July 8, 2026

Last Modified

July 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-56001 →

📋 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

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-56001
https://gitlab.freedesktop.org/xorg/lib/libxfont/-/commit/be0b08e2d354138d3222b4490e2a77c6ee42f778
https://www.openwall.com/lists/oss-security/2026/07/08/1
https://github.com/advisories/GHSA-j726-7g32-78m6