Published on September 9th, 2020 📆 | 8182 Views ⚑0
Ubuntu Security Notice USN-4487-2 ≈ Packet Storm
Ubuntu Security Notice USN-4487-2
September 08, 2020
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
Several security issues were fixed in libx11.
– libx11: None
USN-4487-1 fixed several vulnerabilities in libx11. This update provides
the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.
Original advisory details:
Todd Carson discovered that libx11 incorrectly handled certain memory
operations. A local attacker could possibly use this issue to escalate
Jayden Rivers discovered that libx11 incorrectly handled locales. A local
attacker could possibly use this issue to escalate privileges.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
Ubuntu 12.04 ESM:
After a standard system update you need to reboot your computer to make all
the necessary changes.