ffmpeg, libav — security advisory

{
  "id": "fff746f8eed4efce8d16f52db4489f4e92592fd6959eef886d3bf801bbf4af6a",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-25473",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2025-25473",
    "summary": "FFmpeg git master before commit c08d30 was discovered to contain a memory leak in the avformat_free_context function in libavutil/mem.c.",
    "evidence": "osv:UBUNTU-CVE-2025-25473",
    "products": [
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      },
      {
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    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2025-25473",
      "aliases": [
        "UBUNTU-CVE-2025-25473"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
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        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
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              ]
            }
          ],
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          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-25473.json"
          },
          "ecosystem_specific": {
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            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "ffmpeg",
            "purl": "pkg:deb/ubuntu/ffmpeg?arch=source&distro=esm-apps%2Fresolute",
            "ecosystem": "Ubuntu:Pro:26.04:LTS"
          },
          "versions": [
            "7:7.1.1-1ubuntu4",
            "7:7.1.2-1ubuntu3",
            "7:7.1.2-1ubuntu4",
            "7:7.1.3-1ubuntu1",
            "7:8.0.1-2ubuntu1",
            "7:8.0.1-3ubuntu1",
            "7:8.0.1-3ubuntu2",
            "7:8.0.1-3ubuntu2+esm1",
            "7:8.0.1-3ubuntu2+esm3",
            "7:8.0.1-3ubuntu2+esm4",
            "7:8.0.1-3ubuntu2+esm5"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-25473.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "ffmpeg",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavcodec-extra",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavcodec-extra62",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavcodec62",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavdevice62",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavfilter-extra",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavfilter-extra11",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavfilter11",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavformat-extra",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavformat-extra62",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavformat62",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libavutil60",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libswresample6",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              },
              {
                "binary_name": "libswscale9",
                "binary_version": "7:8.0.1-3ubuntu2+esm5"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T12:56:49.012095601Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-25473"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2025-25473",
        "https://www.cve.org/CVERecord?id=CVE-2025-25473",
        "https://trac.ffmpeg.org/ticket/11419",
        "https://git.ffmpeg.org/gitweb/ffmpeg.git/blobdiff/4f3c9f2f03378a08692a26532bc3146414717f8c..c08d300481b8ebb846cd43a473988fdbc6793d1b:/libavformat/avformat.c",
        "https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/c08d300481b8ebb846cd43a473988fdbc6793d1b",
        "https://ubuntu.com/security/notices/USN-7538-1"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-25473",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 356372,
  "published_at": "2025-02-18T23:15:00+00:00"
}