CVEvulnerability

CVE-2024-21885

7.8 HIGH Published 2024-02-28 Modified 2026-06-17 Official page ↗
Status
Deferred
Published
2024-02-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-122

Description

A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments.

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References