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CVE-2007-4568

xfs integer overflow in the build_range function

Integer overflow in the build_range 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.

CVSS 2.0 · 6.8 Medium EPSS 4.0% KEV · Not listed
Vendors
Redhat X.org
Products
Enterprise Linux X Font Server
CVE-2007-4990

xfs heap overflow in the swap_char2b function

The swap_char2b 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 corruption.

CVSS 2.0 · 7.5 High EPSS 10.7% KEV · Not listed
Vendors
Redhat X.org
Products
Enterprise Linux X Font Server