c-ares-1.7.4 — security advisory

{
  "id": "686f1f65bed0c8c7cc7d977caecee3745addd4a4c09f7d784426b3bdd7533015",
  "url": "https://osv.dev/vulnerability/ECHO-b5cc-eb5b-e937",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ECHO-b5cc-eb5b-e937",
    "summary": "ECHO-b5cc-eb5b-e937",
    "evidence": "osv:ECHO-b5cc-eb5b-e937",
    "products": [
      {
        "name": {
          "value": "c-ares-1.7.4",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.7.4+e1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "ECHO-b5cc-eb5b-e937",
      "aliases": [
        "ECHO-b5cc-eb5b-e937"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.7.4+e1"
                }
              ]
            }
          ],
          "package": {
            "name": "c-ares-1.7.4",
            "purl": "pkg:deb/echo/c-ares-1.7.4",
            "ecosystem": "Echo"
          },
          "database_specific": {
            "source": "https://advisory.echohq.com/osv/ECHO-b5cc-eb5b-e937.json"
          }
        }
      ],
      "modified": "2026-10-20T11:45:37.193094814Z",
      "provider": "osv",
      "upstream": [
        "CVE-2016-5180"
      ],
      "references": [
        "https://advisory.echohq.com/cve/CVE-2016-5180",
        "https://nvd.nist.gov/vuln/detail/CVE-2016-5180",
        "https://c-ares.haxx.se/CVE-2016-5180.patch",
        "https://c-ares.haxx.se/adv_20160929.html",
        "https://googlechromereleases.blogspot.in/2016/09/stable-channel-updates-for-chrome-os.html",
        "https://security.gentoo.org/glsa/201701-28",
        "https://source.android.com/security/bulletin/2017-01-01.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2016-5180",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 387177,
  "published_at": "2026-10-20T11:10:05.79+00:00"
}