The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with crafted length values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.
2008-06-16T19:41:00.000
2025-04-09T00:30:58.490
Deferred
CVSSv2: 9.0 (HIGH)
AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0