CVE-2026-56002

—

CVSS 3.1

8.8 high

EPSS

<1%p36

Published

Jul 8, 2026 (Jul 8, 2026)

Modified

Jul 13, 2026

Description

A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.

Vendors: x
Products: libxfont
Weakness: CWE-122
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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