Security advisory

{
  "id": "b81ed2dab4457091225de0d2c309499cbf2c0b34dcc62a965801fba5b763b983",
  "url": "https://osv.dev/vulnerability/CVE-2017-9987",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-9987",
    "summary": "There is a heap-based buffer overflow in the function hpel_motion in mpegvideo_motion.c in libav 12.1. A crafted input can lead to a remote denial of service attack.",
    "evidence": "osv:CVE-2017-9987",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-9987",
      "aliases": [
        "CVE-2017-9987"
      ],
      "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/libav/libav",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c9ea47b37813c513e9d5e46bfceaa54f63e8e8bd"
                },
                {
                  "last_affected": "c9ea47b37813c513e9d5e46bfceaa54f63e8e8bd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "12.1"
                      },
                      {
                        "last_affected": "12.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "12.1",
            "v12.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9987.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:49.317987015Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html",
        "https://bugzilla.libav.org/show_bug.cgi?id=1067"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-9987",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436958,
  "published_at": "2017-06-28T06:29:00.333+00:00"
}