USN-6182-1: pngcheck vulnerabilities
21 June 2023
Several security issues were fixed in pngcheck.
Releases
Packages
- pngcheck - Verifies the integrity of PNG, JNG and MNG files
Details
It was discovered that pngcheck incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
Ubuntu 18.04
-
pngcheck
-
2.3.0-7ubuntu0.18.04.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04
-
pngcheck
-
2.3.0-7ubuntu0.16.04.1~esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.