CVE-2026-56001

HIGH CVSS 8.5 View on NVD ↗

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

CVSS Vector

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

References

https://gitlab.freedesktop.org/xorg/lib/libxfont/-/commit/be0b08e2d354138d3222b4490e2a77c6ee42f778
https://www.openwall.com/lists/oss-security/2026/07/08/1

Published: Jul 08, 2026 09:16 UTC Modified: Jul 09, 2026 04:17 UTC