In libXfont before 1.5.4 and libXfont2 before 2.0.3, a local attacker can open (but not read) files on the system as root, triggering tape rewinds, watchdogs, or similar mechanisms that can be triggered by opening files.
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{ "availability": "No subscription required", "binaries": [ { "binary_name": "libxfont-dev", "binary_version": "1:2.0.1-3~ubuntu16.04.3" }, { "binary_name": "libxfont2", "binary_version": "1:2.0.1-3~ubuntu16.04.3" }, { "binary_name": "libxfont2-dbgsym", "binary_version": "1:2.0.1-3~ubuntu16.04.3" }, { "binary_name": "libxfont2-udeb", "binary_version": "1:2.0.1-3~ubuntu16.04.3" }, { "binary_name": "libxfont2-udeb-dbgsym", "binary_version": "1:2.0.1-3~ubuntu16.04.3" } ], "ubuntu_priority": "medium" }