Security advisory

{
  "id": "9b4c97af08a11d4f1d4c1c47bf832981ee9b1fbb2b3001fb0bcac9e59caf804c",
  "url": "https://osv.dev/vulnerability/CVE-2019-9746",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-9746",
    "summary": "In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.",
    "evidence": "osv:CVE-2019-9746",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-9746",
      "aliases": [
        "CVE-2019-9746"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/webmproject/libwebm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "82ac5fcdc8525820442faa90847b452113fc9394"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:webmproject:libwebm:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.0.0.27"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "libwebm-1.0.0.27",
            "libwebm-1.0.0.26",
            "libwebm-1.0.0.25",
            "libwebm-1.0.0.24",
            "libwebm-1.0.0.23",
            "libwebm-1.0.0.22",
            "libwebm-1.0.0.21",
            "libwebm-1.0.0.20",
            "libwebm-1.0.0.19",
            "libwebm-1.0.0.18",
            "libwebm-1.0.0.17",
            "libwebm-1.0.0.16",
            "libwebm-1.0.0.15",
            "libwebm-1.0.0.14",
            "libwebm-1.0.0.13",
            "libwebm-1.0.0.12",
            "libwebm-1.0.0.11",
            "libwebm-1.0.0.10",
            "libwebm-1.0.0.9",
            "libwebm-1.0.0.8",
            "libwebm-1.0.0.7",
            "libwebm-1.0.0.6",
            "libwebm-1.0.0.5",
            "libwebm-1.0.0.4",
            "libwebm-1.0.0.3",
            "libwebm-1.0.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9746.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:35.999457780Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/webm/issues/detail?id=1605",
        "https://chromium.googlesource.com/webm/libwebm/+/2427abe0bde234987ed005a3adca461e9a85dfb7"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-9746",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433887,
  "published_at": "2019-03-13T16:29:00.703+00:00"
}