VDB
DEBIAN-CVE-2023-6816
DEBIAN-CVE-2023-6816
PUBLISHED
CVSS 9.800000190734863 CRITICAL
A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbitrarily mapped to any value up to 255, but the X.Org Server was only allocating space for the device's particular number of buttons, leading to a heap overflow if a bigger value was used.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | xorg-server | 0, 0, 2:21.1.7-3+deb12u3 |
| Debian:14 | xorg-server | 0, 0, 0 |
| Debian:11 | xorg-server | 1.20.11-1, 1.20.11-1, 1.20.11-1 |
| Debian:14 | xwayland | 0, 0, 0 |
| Debian:12 | xwayland | 2:24.1.9-1, *, 0 |
| Debian:13 | xwayland | 0, 0, 0 |
| Debian:13 | xorg-server | 0, 0, 0 |
Exploit Intelligence
- errata73.html (github-poc)
Timeline
- Jan 18, 2024 CVE Published
- Apr 28, 2026 CVE Updated