Summary
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain memory operations. An attacker could possibly use these issues to
cause the X Server to crash, execute arbitrary code, or escalate
privileges.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | xorg-server | 2:1.19.6-1ubuntu4.15 |
| Ubuntu · 18.04 LTS 18.04:LTS | xorg-server-hwe-18.04 | 2:1.20.8-2ubuntu2.2~18.04.11 |
| Ubuntu · 20.04 LTS 20.04:LTS | xorg-server | 2:1.20.13-1ubuntu1~20.04.8 |
| Ubuntu · 22.04 LTS 22.04:LTS | xorg-server | 2:21.1.3-2ubuntu2.9 |
| Ubuntu · 22.04 LTS 22.04:LTS | xwayland | 2:22.1.1-1ubuntu0.6 |
Vulnerabilities 1
-
High 7.8
A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client e…
References
-
report
https://ubuntu.com/security/CVE-2023-1393