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VULNERABILITIES

CVE-2026-88806 Details

Description

A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/309 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-122Heap-based Buffer Overflow[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-88806
NVD Published Date:
Sep 21, 2026
NVD Last Modified:
Sep 22, 2026
Source:
[email protected]
CVE-2026-88806 Details - Not Deferred