{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "8.0.1"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "894da5ca7d742e4429ffb2af534fcda0103ef593"
            }
          ],
          "repo": "https://git.ffmpeg.org/ffmpeg.git",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "8.0.1"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "894da5ca7d742e4429ffb2af534fcda0103ef593"
            }
          ],
          "repo": "https://github.com/ffmpeg/ffmpeg",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30997.json"
  },
  "details": "An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.",
  "id": "CVE-2026-30997",
  "modified": "2026-08-17T03:36:16.010122355Z",
  "published": "2026-04-13T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://excellent-oatmeal-319.notion.site/CVE-2026-30997-Out-of-Bounds-Access-a7929817b9794568b2f7774397c7d65f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30997.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30997"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/FFmpeg/FFmpeg"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}