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CVE-2024-21885

CVE-2024-21885 · Xorg-x11-server: heap buffer overflow in xisenddevicehierarchyevent

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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.

CVSS 7.8 · High · EPSS 1.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

Original sources

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