ALPINE-CVE-2016-5180Critical · CVSS 9.8Fix availableALPINE-CVE-2016-5180Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.c-aresOperating systemsUpdate to 1.12.0-r0Published October 3, 2016Updated September 22, 2026Source advisory 1 ↗Source advisory 2 ↗