High severity7.8NVD Advisory· Published Feb 28, 2024· Updated Apr 15, 2026
CVE-2024-21885
CVE-2024-21885
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.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
22- access.redhat.com/errata/RHSA-2024:0320nvd
- access.redhat.com/errata/RHSA-2024:0557nvd
- access.redhat.com/errata/RHSA-2024:0558nvd
- access.redhat.com/errata/RHSA-2024:0597nvd
- access.redhat.com/errata/RHSA-2024:0607nvd
- access.redhat.com/errata/RHSA-2024:0614nvd
- access.redhat.com/errata/RHSA-2024:0617nvd
- access.redhat.com/errata/RHSA-2024:0621nvd
- access.redhat.com/errata/RHSA-2024:0626nvd
- access.redhat.com/errata/RHSA-2024:0629nvd
- access.redhat.com/errata/RHSA-2024:2169nvd
- access.redhat.com/errata/RHSA-2024:2170nvd
- access.redhat.com/errata/RHSA-2024:2995nvd
- access.redhat.com/errata/RHSA-2024:2996nvd
- access.redhat.com/errata/RHSA-2025:12751nvd
- access.redhat.com/security/cve/CVE-2024-21885nvd
- bugzilla.redhat.com/show_bug.cginvd
- lists.debian.org/debian-lts-announce/2024/01/msg00016.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5J4H7CH565ALSZZYKOJFYDA5KFLG6NUK/nvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJBMCWQ54R6ZL3MYU2D2JBW6JMZL7BQW/nvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ75X54CN4IFYMIV7OK3JVZ57FHQIGIC/nvd
- security.netapp.com/advisory/ntap-20240503-0004/nvd
News mentions
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