USN-5133-1: ICU vulnerability
4 November 2021
ICU could be made to crash if it received specially crafted input.
Releases
Packages
- icu - International Components for Unicode library
Details
It was discovered that ICU contains a use after free issue.
An attacker could use this issue to cause a denial of service with crafted input.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
Ubuntu 16.04
-
icu-devtools
-
55.1-7ubuntu0.5+esm1
Available with Ubuntu Pro
-
libicu55
-
55.1-7ubuntu0.5+esm1
Available with Ubuntu Pro
Ubuntu 14.04
-
icu-devtools
-
52.1-3ubuntu0.8+esm2
Available with Ubuntu Pro
-
libicu52
-
52.1-3ubuntu0.8+esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.