- Vulnerability/
- USN-6555-2
USN-6555-2: X.Org X Server vulnerabilities
First published: Wed Dec 13 2023(Updated: )
USN-6555-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges. (CVE-2023-6377) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the RRChangeOutputProperty and RRChangeProviderProperty APIs. An attacker could possibly use this issue to cause the X Server to crash, or obtain sensitive information. (CVE-2023-6478)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/xserver-xorg-core | <2:1.19.6-1ubuntu4.15+esm3 | 2:1.19.6-1ubuntu4.15+esm3 |
| =18.04 | ||
| All of | ||
| ubuntu/xwayland | <2:1.19.6-1ubuntu4.15+esm3 | 2:1.19.6-1ubuntu4.15+esm3 |
| =18.04 | ||
| All of | ||
| ubuntu/xserver-xorg-core | <2:1.18.4-0ubuntu0.12+esm8 | 2:1.18.4-0ubuntu0.12+esm8 |
| =16.04 | ||
| All of | ||
| ubuntu/xwayland | <2:1.18.4-0ubuntu0.12+esm8 | 2:1.18.4-0ubuntu0.12+esm8 |
| =16.04 |
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