Ubuntu 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : libpng vulnerabilities (USN-7963-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7963-1 advisory. It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial transparency and gamma...