It was discovered that c-ares incorrectly parsed certain SOA replies. A remote attacker could possibly use this issue to cause c-res to crash, resulting in a denial of service.
{ "availability": "No subscription required", "binaries": [ { "libc-ares-dev": "1.15.0-1ubuntu0.4", "libc-ares2": "1.15.0-1ubuntu0.4", "libc-ares2-dbgsym": "1.15.0-1ubuntu0.4" } ] }