A new Ubuntu Linux update is available: X.Org X Server update for Ubuntu
X.Org X Server update for Ubuntu
Updated X.Org X Server packages are available for Ubuntu Linux 14.04 LTS, 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 23.10: [USN-6721-1] X.Org X Server vulnerabilities