Heap-based buffer overflow in the arescreatequery 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.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-5180.json"