A security issue in FlightGear has been announced: http://openwall.com/lists/oss-security/2017/05/12/8 Supposedly, upstream has a fix available, but they haven't released a new version with the fix.
Fixed in cauldron now
Status: NEW => RESOLVEDCC: (none) => mageiaResolution: (none) => FIXEDCVE: (none) => CVE-2017-8921
*** Bug 20939 has been marked as a duplicate of this bug. ***
CC: (none) => zombie_ryushu