USN-3913-1: P7ZIP vulnerabilities
21 March 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
p7zip could be made to crash or run programs as your login if it opened a specially crafted file.
- p7zip - 7z file archiver with high compression ratio
It was discovered that p7zip did not correctly handle certain malformed archives. If a user or automated system were tricked into processing a specially crafted archive with p7zip, then p7zip could be made to crash, possibly leading to abitrary code execution.
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.