Packages
- libx11 - X11 client-side library
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.
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.
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 21.04 hirsute | libx11-6 – 2:1.7.0-2ubuntu0.1 | ||
| 20.10 groovy | libx11-6 – 2:1.6.12-1ubuntu0.1 | ||
| 20.04 focal | libx11-6 – 2:1.6.9-2ubuntu1.2 | ||
| 18.04 bionic | libx11-6 – 2:1.6.4-3ubuntu0.4 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.