It was discovered that libXfont incorrectly handled certain patterns in PatternMatch. A local attacker could use this issue to cause libXfont to crash, resulting in a denial of service, or possibly obtain sensitive information. Upstream patch: https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=d1e670a4a8704b8708e493ab6155589bcd570608
Created libXfont tracking bugs for this issue: Affects: fedora-all [bug 1500695] Created libXfont2 tracking bugs for this issue: Affects: fedora-all [bug 1500694]