CVE-2007-4568

Integer overflow in the buildrange function in X.Org X Font Server xfs before 1.0.5 allows context-dependent attackers to execute arbitrary code via 1 QueryXBitmaps and 2 QueryXExtents protocol requests with crafted size values, which triggers a heap-based buffer overflow...

CVE-2007-4990

The swapchar2b function in X.Org X Font Server xfs before 1.0.5 allows context-dependent attackers to execute arbitrary code via 1 QueryXBitmaps and 2 QueryXExtents protocol requests with crafted size values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap...