VDB
DEBIAN-CVE-2021-4011
DEBIAN-CVE-2021-4011
PUBLISHED
CVSS 7.800000190734863 HIGH
A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
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:12 | xorg-server | 0, 0, 0 |
| Debian:12 | xwayland | 0, 0, 0 |
| Debian:13 | xorg-server | 0, 0, 0 |
| Debian:14 | xorg-server | 0, 0, 0 |
| Debian:13 | xwayland | 0, 0, 0 |
| Debian:11 | xorg-server | 1.20.11-1, 2:1.20.11-1, 2:1.20.11-1 |
| Debian:14 | xwayland | 0, 0, 0 |
Timeline
- Dec 17, 2021 CVE Published
- Apr 28, 2026 CVE Updated