Jan-Niklas Sohn discovered that a heap-based buffer overflow in the _XkbSetCompatMap function in the X Keyboard Extension of the X.org X server may result in privilege escalation if the X server is running privileged.
https://security-tracker.debian.org/tracker/DSA-5800-1
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https://security-tracker.debian.org/tracker/DSA-5800-1
Continue reading...

