CVE-2024-21885 — Xorg-x11-server: heap buffer overflow in xisenddevicehierarchyevent
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 xX…
Published: 2024-02-28 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7