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ffmpeg — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2011-3946

The ff_h264_decode_sei function in libavcodec/h264_sei.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via crafted Supplemental enhancement information (SEI) data, which triggers an infinite loop.

Products
ffmpeg
Affected versions
Not specified
Fixed versions
7:2.4.1-1
CVEs
CVE-2011-3946
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 22:56 UTC · Revision 1

Source evidence

DEBIAN-CVE-2011-3946

core-osv · Original source

Published 9 Dec 2013, 16:35 UTC

The ff_h264_decode_sei function in libavcodec/h264_sei.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via crafted Supplemental enhancement information (SEI) data, which triggers an infinite loop.

osv:DEBIAN-CVE-2011-3946

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": "451fbce67c90fdb03d6a85f32a47d487c072073692d78e9743797e57f4a6d886",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-3946",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2011-3946",
    "summary": "The ff_h264_decode_sei function in libavcodec/h264_sei.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via crafted Supplemental enhancement information (SEI) data, which triggers an infinite loop.",
    "evidence": "osv:DEBIAN-CVE-2011-3946",
    "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-2011-3946",
      "aliases": [
        "DEBIAN-CVE-2011-3946"
      ],
      "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-2011-3946.json"
          },
          "ecosystem_specific": {
            "urgency": "unimportant"
          }
        },
        {
          "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-2011-3946.json"
          },
          "ecosystem_specific": {
            "urgency": "unimportant"
          }
        },
        {
          "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-2011-3946.json"
          },
          "ecosystem_specific": {
            "urgency": "unimportant"
          }
        }
      ],
      "modified": "2026-10-23T17:47:30.053891491Z",
      "provider": "osv",
      "upstream": [
        "CVE-2011-3946"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2011-3946"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2011-3946",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 417270,
  "published_at": "2013-12-09T16:35:44.097+00:00"
}