Security advisory

{
  "id": "4a047439c068f0c8c0be7c4f82e387525f7de6caeac77d1078f50319b1f55132",
  "url": "https://osv.dev/vulnerability/CVE-2021-25801",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-25801",
    "summary": "A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.",
    "evidence": "osv:CVE-2021-25801",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-25801",
      "aliases": [
        "CVE-2021-25801"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/videolan/vlc-3.0",
              "type": "GIT",
              "events": [
                {
                  "introduced": "dc0c5ced7230e5660142302c7c1aef6cc14f3564"
                },
                {
                  "last_affected": "dc0c5ced7230e5660142302c7c1aef6cc14f3564"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:videolan:vlc_media_player:3.0.11:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.11"
                      },
                      {
                        "last_affected": "3.0.11"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.0.11"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25801.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:46.694308989Z",
      "provider": "osv",
      "references": [
        "https://code.videolan.org/videolan/vlc-3.0/-/commit/f5f8cc3ab8825f178de3f6714bfbff8b3f293fd2"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-25801",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436389,
  "published_at": "2021-07-26T17:15:07.777+00:00"
}