Skip to content
Heist/ feed
Back to feed
UnratedFix available

ffmpeg — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2011-3947

Buffer overflow in mjpegbdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MJPEG-B file.

Products
ffmpeg
Affected versions
Not specified
Fixed versions
7:2.4.1-1
CVEs
CVE-2011-3947
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 23:16 UTC · Revision 1

Source evidence

DEBIAN-CVE-2011-3947

core-osv · Original source

Published 20 Aug 2012, 18:55 UTC

Buffer overflow in mjpegbdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MJPEG-B file.

osv:DEBIAN-CVE-2011-3947

ffmpeg

Fixed versions: 7:2.4.1-1

ffmpeg

Fixed versions: 7:2.4.1-1

ffmpeg

Fixed versions: 7:2.4.1-1

Complete source record
{
  "id": "444e66d844a2bb2c057b14576de03b4a756f917cc957b0d81cdab80a72e04f20",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-3947",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2011-3947",
    "summary": "Buffer overflow in mjpegbdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MJPEG-B file.",
    "evidence": "osv:DEBIAN-CVE-2011-3947",
    "products": [
      {
        "name": {
          "value": "ffmpeg",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7:2.4.1-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ffmpeg",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7:2.4.1-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ffmpeg",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7:2.4.1-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2011-3947",
      "aliases": [
        "DEBIAN-CVE-2011-3947"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7:2.4.1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "ffmpeg",
            "purl": "pkg:deb/debian/ffmpeg?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3947.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7:2.4.1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "ffmpeg",
            "purl": "pkg:deb/debian/ffmpeg?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3947.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7:2.4.1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "ffmpeg",
            "purl": "pkg:deb/debian/ffmpeg?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3947.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T17:47:38.913397317Z",
      "provider": "osv",
      "upstream": [
        "CVE-2011-3947"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2011-3947"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2011-3947",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 418136,
  "published_at": "2012-08-20T18:55:02.217+00:00"
}