Summary
USN-4966-1 fixed a vulnerability in libx11. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that libx11 incorrectly validated certain parameter
lengths. A remote attacker could possibly use this issue to trick libx11
into emitting extra X protocol requests.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | libx11 | 2:1.6.2-1ubuntu2.1+esm2 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | libx11 | 2:1.6.3-1ubuntu2.2+esm1 |
Vulnerabilities 1
-
Unscored —CVE-2021-31535 EPSS 10%
LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code. …
References
-
report
https://ubuntu.com/security/CVE-2021-31535