Summary
USN-6168-1 fixed a vulnerability in libx11. This update provides
the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM,
and Ubuntu 18.04 ESM.
Original advisory details:
Gregory James Duck discovered that libx11 incorrectly handled certain
Request, Event, or Error IDs. If a user were tricked into connecting to a
malicious X Server, a remote attacker could possibly use this issue to
cause libx11 to crash, resulting in a denial of service.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | libx11 | 2:1.6.2-1ubuntu2.1+esm3 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | libx11 | 2:1.6.3-1ubuntu2.2+esm2 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | libx11 | 2:1.6.4-3ubuntu0.4+esm1 |
Vulnerabilities 1
-
Unscored —
A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not c…
References
-
report
https://ubuntu.com/security/CVE-2023-3138