ubuntu_linux USN-8639-1: Ubuntu 14.04 LTS / Ubuntu 16.04 LTS / Ubuntu 18.04 LTS / Ubuntu 20.04 LTS / Ubuntu 22.04 LTS / Ubuntu Pro Realtime 22.04 LTS : libpng vulnerabilities (USN-8639-1)

Issue ID: 231311-63

Title: ubuntu_linux USN-8639-1: Ubuntu 14.04 LTS / Ubuntu 16.04 LTS / Ubuntu 18.04 LTS / Ubuntu 20.04 LTS / Ubuntu 22.04 LTS / Ubuntu Pro Realtime 22.04 LTS : libpng vulnerabilities (USN-8639-1)

Status: Development

Updated: 9/17/2026