CVE-2026-93518

Published: Oct 28, 2026Modified: Oct 28, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: meissner@suse.de (Secondary)

Description

An integer truncation issue in XkbResizeKeyType() that could lead to a heap buffer overflow by authenticated X clients in X.org X server before 21.1.25 and XWayland before 24.1.14 could be exploited for crashes or potential code execution in the X server.

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 (1)

https://gitlab.freedesktop.org/xorg/xserver/-/commit/89101a6c6618f543d7502f2077c7ef1a507af256

Source: meissner@suse.de

Timeline

No history available yet.