USN-4108-1: Zstandard vulnerability
21 August 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Zstandard could be made to execute arbitrary code if it received specially crafted input.
- libzstd - fast lossless compression algorithm – development files
It was discovered that Zstandard incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.