libxml2-2.9.1 — security advisory

{
  "id": "e451c37c875bed6dd7626abe43038110778ccab57109cde885954e8f896663fe",
  "url": "https://osv.dev/vulnerability/ECHO-df18-d365-2661",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ECHO-df18-d365-2661",
    "summary": "ECHO-df18-d365-2661",
    "evidence": "osv:ECHO-df18-d365-2661",
    "products": [
      {
        "name": {
          "value": "libxml2-2.9.1",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.9.1+e1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "ECHO-df18-d365-2661",
      "aliases": [
        "ECHO-df18-d365-2661"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.9.1+e1"
                }
              ]
            }
          ],
          "package": {
            "name": "libxml2-2.9.1",
            "purl": "pkg:deb/echo/libxml2-2.9.1",
            "ecosystem": "Echo"
          },
          "database_specific": {
            "source": "https://advisory.echohq.com/osv/ECHO-df18-d365-2661.json"
          }
        }
      ],
      "modified": "2026-10-21T12:45:08.925008783Z",
      "provider": "osv",
      "upstream": [
        "CVE-2016-4447"
      ],
      "references": [
        "https://advisory.echohq.com/cve/CVE-2016-4447",
        "https://nvd.nist.gov/vuln/detail/CVE-2016-4447",
        "https://access.redhat.com/errata/RHSA-2016:1292",
        "https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83",
        "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709",
        "https://kc.mcafee.com/corporate/index?page=content&id=SB10170",
        "https://support.apple.com/HT206899",
        "https://support.apple.com/HT206901",
        "https://support.apple.com/HT206902",
        "https://support.apple.com/HT206903",
        "https://support.apple.com/HT206904",
        "https://support.apple.com/HT206905",
        "https://www.debian.org/security/2016/dsa-3593",
        "https://www.tenable.com/security/tns-2016-18"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2016-4447",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 393133,
  "published_at": "2026-10-21T12:17:34.263+00:00"
}