Summary
It was discovered that X.Org X Server incorrectly handled certain inputs.
An attacker could use these issues to cause the server to crash, resulting
in a denial of service, or possibly execute arbitrary code.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | xorg-server | 2:1.19.6-1ubuntu4.12 |
| Ubuntu · 18.04 LTS 18.04:LTS | xorg-server-hwe-18.04 | 2:1.20.8-2ubuntu2.2~18.04.8 |
| Ubuntu · 20.04 LTS 20.04:LTS | xorg-server | 2:1.20.13-1ubuntu1~20.04.4 |
| Ubuntu · 22.04 LTS 22.04:LTS | xorg-server | 2:21.1.3-2ubuntu2.3 |
| Ubuntu · 22.04 LTS 22.04:LTS | xwayland | 2:22.1.1-1ubuntu0.3 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | xorg-server | 2:1.15.1-0ubuntu2.11+esm6 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | xorg-server | 2:1.18.4-0ubuntu0.12+esm4 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | xorg-server-hwe-16.04 | 2:1.19.6-1ubuntu4.1~16.04.6+esm3 |
Vulnerabilities 2
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Medium 5.5
X.org Server xkb.c _GetCountedString buffer overflow
A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCountedString of the file xkb/xkb.c. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix this issue. The asso…
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Low 3.5
X.org Server xkb.c ProcXkbGetKbdByName memory leak
A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue…