Heap-use-after-free in xmlValidateOneElement

{
  "id": "a7c80ec69927f4e7ecd43b85f5f340005101d2cd90931fc4fe87186e8b28488e",
  "url": "https://osv.dev/vulnerability/OSV-2024-1209",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-use-after-free in xmlValidateOneElement",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=372547409 ``` Crash type: Heap-use-after-free READ 4 Crash state: xmlValidateOneElement xmlValidateElement api.c ```",
    "evidence": "osv:OSV-2024-1209",
    "products": [
      {
        "name": {
          "value": "libxml2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v2.13.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.6",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.9",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v2.13.7",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2024-1209",
      "aliases": [
        "OSV-2024-1209"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.gnome.org/GNOME/libxml2.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "577e2516d0ed3669c7e9879ba9f04214658bfd1b"
                },
                {
                  "fixed": "bf3619c3282143fee564ca5ff0634559cce3923d"
                }
              ]
            }
          ],
          "package": {
            "name": "libxml2",
            "purl": "pkg:generic/libxml2",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v2.13.0",
            "v2.13.1",
            "v2.13.2",
            "v2.13.3",
            "v2.13.4",
            "v2.13.5",
            "v2.13.6",
            "v2.13.9",
            "v2.13.8",
            "v2.13.7"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libxml2/OSV-2024-1209.yaml",
            "introduced_range": "a279aae30f6c4d488f40b39e80087518b5459ea4:d4d1f3f33d6d4a5e31511281637a857944946e65"
          },
          "ecosystem_specific": {
            "severity": "HIGH"
          }
        }
      ],
      "modified": "2026-10-20T17:26:56.373833278Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=372547409"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 390116,
  "published_at": "2024-10-11T00:15:43.610812+00:00"
}