Multiple integer overflows in the (1) fsgetreply, (2) fsallocglyphs, and (3) fsreadextent_info functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 allow remote font servers to execute arbitrary code via a crafted xfs reply, which triggers a buffer overflow.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1:1.4.7-1", "binary_name": "libxfont-dev" }, { "binary_version": "1:1.4.7-1", "binary_name": "libxfont1" }, { "binary_version": "1:1.4.7-1", "binary_name": "libxfont1-dbg" }, { "binary_version": "1:1.4.7-1", "binary_name": "libxfont1-udeb" } ] }