libxml2-2.9.1 — security advisory

{
  "id": "cb26086599a59c984889c970d1f5e913866444be123454aac4200e8a1caacf52",
  "url": "https://osv.dev/vulnerability/ECHO-d877-384f-35c5",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ECHO-d877-384f-35c5",
    "summary": "ECHO-d877-384f-35c5",
    "evidence": "osv:ECHO-d877-384f-35c5",
    "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-d877-384f-35c5",
      "aliases": [
        "ECHO-d877-384f-35c5"
      ],
      "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-d877-384f-35c5.json"
          }
        }
      ],
      "modified": "2026-10-21T12:45:02.591213174Z",
      "provider": "osv",
      "upstream": [
        "CVE-2016-4448"
      ],
      "references": [
        "https://advisory.echohq.com/cve/CVE-2016-4448",
        "https://nvd.nist.gov/vuln/detail/CVE-2016-4448",
        "https://access.redhat.com/errata/RHSA-2016:1292",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1338700",
        "https://git.gnome.org/browse/libxml2/commit/?id=4472c3a5a5b516aaf59b89be602fbce52756c3e9",
        "https://git.gnome.org/browse/libxml2/commit/?id=502f6a6d08b08c04b3ddfb1cd21b2f699c1b7f5b",
        "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.tenable.com/security/tns-2016-18"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2016-4448",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 393060,
  "published_at": "2026-10-21T12:17:34.263+00:00"
}