vulnerability

Gentoo Linux: CVE-2024-21885: X.Org X Server, XWayland: Multiple Vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Jan 31, 2024
Added
Feb 1, 2024
Modified
Aug 13, 2025

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.

Solutions

gentoo-linux-upgrade-x11-base-xorg-servergentoo-linux-upgrade-x11-base-xwayland
Title
NEW

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