VDB
DEBIAN-CVE-2024-21885
DEBIAN-CVE-2024-21885
PUBLISHED
CVSS 7.800000190734863 HIGH
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.
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | xorg-server | 0, 0, 0 |
| Debian:12 | xwayland | 24.1.4-1, 24.1.4-2, 24.1.4-3 |
| Debian:13 | xorg-server | 0, 0, 0 |
| Debian:13 | xwayland | 0, 0, 0 |
| Debian:11 | xorg-server | 2:1.20.11-1+deb11u3, 2:1.20.11-1+deb11u1, 2:1.20.11-1+deb11u10 |
| Debian:14 | xwayland | 0, 0, 0 |
| Debian:12 | xorg-server | 0, 2:21.1.7-3, 2:21.1.7-3+deb12u1 |
Exploit Intelligence
- errata73.html (github-poc)
Timeline
- Feb 28, 2024 CVE Published
- Apr 28, 2026 CVE Updated