Security advisory

{
  "id": "15826966de9f2d23d09e996e461b732999e4b7612d5099d18cf1e48c07440b70",
  "url": "https://osv.dev/vulnerability/CVE-2018-9841",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-9841",
    "summary": "The export function in libavfilter/vf_signature.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via a long filename.",
    "evidence": "osv:CVE-2018-9841",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-9841",
      "aliases": [
        "CVE-2018-9841"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.ffmpeg.org/ffmpeg.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "6a97ba521558ce131fe839eed2d51ff745280e1d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.4.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "n3.4.2",
            "n3.4.1",
            "n3.4",
            "n3.4-dev",
            "n3.3-dev",
            "n3.2-dev",
            "n3.1-dev",
            "n2.9-dev",
            "n2.8-dev",
            "n2.7-dev",
            "n2.6-dev",
            "n2.5-dev",
            "n2.4-dev",
            "n2.3-dev",
            "n2.2-dev",
            "n2.0",
            "n2.1-dev",
            "n1.3-dev",
            "n1.2-dev",
            "n1.1-dev",
            "n0.12-dev",
            "n0.11-dev",
            "n0.8",
            "N"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9841.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/ffmpeg/ffmpeg",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "6a97ba521558ce131fe839eed2d51ff745280e1d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.4.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "n3.4.2",
            "n3.4.1",
            "n3.4",
            "n3.4-dev",
            "n3.3-dev",
            "n3.2-dev",
            "n3.1-dev",
            "n2.9-dev",
            "n2.8-dev",
            "n2.7-dev",
            "n2.6-dev",
            "n2.5-dev",
            "n2.4-dev",
            "n2.3-dev",
            "n2.2-dev",
            "n2.0",
            "n2.1-dev",
            "n1.3-dev",
            "n1.2-dev",
            "n1.1-dev",
            "n0.12-dev",
            "n0.11-dev",
            "n0.8",
            "N"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9841.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:47.656324764Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/202003-65"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-9841",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436592,
  "published_at": "2018-04-07T07:29:00.3+00:00"
}