Ubuntu Security Notice USN-6555-2

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Ubuntu Security Notice 6555-2 – USN-6555-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges.      Vulnerability Files ≈ Packet Storm 

 

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