{"cve":"CVE-2016-5180","nvd":{"published":"2016-10-03T15:59:03.270","modified":"2026-06-17T00:48:55.070","status":"Modified","description":"Heap-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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787"],"references":["http://rhn.redhat.com/errata/RHSA-2017-0002.html","http://www.debian.org/security/2016/dsa-3682","http://www.securityfocus.com/bid/93243","http://www.ubuntu.com/usn/USN-3143-1","https://c-ares.haxx.se/CVE-2016-5180.patch"],"products":["c-ares:c-ares","c-ares_project:c-ares","canonical:ubuntu_linux","debian:debian_linux","nodejs:node.js"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-5180","score":0.08583,"percentile":0.95075,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}