USN-7336-1: GNU Chess vulnerability
6 March 2025
gnuchess could be made to crash or run programs as your login if it opened a specially crafted file.
Releases
Packages
- gnuchess - Plays a game of chess, either against the user or against itself
Details
Michael Vaughan discovered an overflow vulnerability in GNU Chess that
occurs when reading a specially crafted Portable Game Notation (PGN)
file. An attacker could possibly use this issue to cause GNU Chess to
crash, resulting in a denial of service, or the execution of arbitrary
code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 24.10
Ubuntu 24.04
Ubuntu 22.04
In general, a standard system update will make all the necessary changes.