Summary
USN-7085-1 fixed a vulnerability 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
certain memory operations in the X Keyboard Extension. An attacker could
use this issue to cause the X Server to crash, leading to a denial of
service, or possibly execute arbitrary code.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | xorg-server | 2:1.18.4-0ubuntu0.12+esm14 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | xorg-server-hwe-16.04 | 2:1.19.6-1ubuntu4.1~16.04.6+esm6 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | xorg-server | 2:1.19.6-1ubuntu4.15+esm9 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | xorg-server-hwe-18.04 | 2:1.20.8-2ubuntu2.2~18.04.11+esm1 |
Vulnerabilities 1
-
High 7.8
Xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability
A flaw was found in the X.org server. Due to improperly tracked allocation size in _XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalatio…
References
-
report
https://ubuntu.com/security/CVE-2024-9632