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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2024-02-28T12:11:59.650Z

Updated: 2024-09-16T15:31:08.905Z

Reserved: 2024-01-02T21:57:08.796Z

Link: CVE-2024-21885

cve-icon Vulnrichment

Updated: 2024-08-01T22:35:33.394Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-02-28T13:15:08.197

Modified: 2024-09-16T16:15:13.080

Link: CVE-2024-21885

cve-icon Redhat

Severity : Important

Publid Date: 2024-01-16T00:00:00Z

Links: CVE-2024-21885 - Bugzilla