The ProcSetEventMask function in difs/events.c in the xfs...
Low severity
Unreviewed
Published
May 17, 2022
to the GitHub Advisory Database
•
Updated Feb 3, 2023
Description
Published by the National Vulnerability Database
Dec 21, 2012
Published to the GitHub Advisory Database
May 17, 2022
Last updated
Feb 3, 2023
The ProcSetEventMask function in difs/events.c in the xfs font server for X.Org X11R6 through X11R6.6 and XFree86 before 3.3.3 calls the SendErrToClient function with a mask value instead of a pointer, which allows local users to cause a denial of service (memory corruption and crash) or obtain potentially sensitive information from memory via a SetEventMask request that triggers an invalid pointer dereference.
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