WID-SEC-W-2026-3064

Vulnerability from csaf_certbund - Published: 2026-08-27 22:00 - Updated: 2026-09-20 22:00
Summary
ffmpeg: Mehrere Schwachstellen ermöglichen Denial of Service
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Das FFmpeg-Projekt besteht aus freien Programmen und Bibliotheken, die es ermöglichen, digitales Video- und Audiomaterial aufzunehmen, zu konvertieren, zu streamen und abzuspielen. Zudem enthält es mit libavcodec eine Audio- und Video-Codec-Sammlung, die verschiedene Codecs zur Verfügung stellt.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ffmpeg ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux - UNIX - Windows
CVE-2026-38343
Affected products
Product Identifier Version Remediation
Open Source ffmpeg
Open Source
 cpe:/a:ffmpeg:ffmpeg:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
CVE-2026-38344
Affected products
Known affected 2 products, the same list as for CVE-2026-38343
CVE-2026-38345
Affected products
Known affected 2 products, the same list as for CVE-2026-38343
CVE-2026-38346
Affected products
Known affected 2 products, the same list as for CVE-2026-38343
CVE-2026-38347
Affected products
Known affected 2 products, the same list as for CVE-2026-38343
CVE-2026-38348
Affected products
Known affected 2 products, the same list as for CVE-2026-38343
CVE-2026-38349
Affected products
Known affected 2 products, the same list as for CVE-2026-38343
CVE-2026-38350
Affected products
Known affected 2 products, the same list as for CVE-2026-38343
References
URL Category
https://wid.cert-bund.de/.well-known/csaf/white/2… self
https://wid.cert-bund.de/portal/wid/securityadvis… self
https://github.com/advisories/GHSA-P275-5394-CXWQ external
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21587 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/9adc… external
https://github.com/advisories/GHSA-36fh-g62v-wh23 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21583 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/dc9b… external
https://github.com/advisories/GHSA-rgh2-m3vh-23hp external
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21585 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21768 external
https://github.com/advisories/GHSA-J7M5-VGMQ-4JFW external
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21584 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/a591… external
https://github.com/advisories/GHSA-gpjg-x49v-595v external
https://trac.ffmpeg.org/ticket/11692 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20063 external
https://github.com/advisories/GHSA-F99V-5V4X-H48M external
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21588 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/946c… external
https://github.com/advisories/GHSA-4F39-H9CC-Q7G2 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21592 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/1e63… external
https://github.com/advisories/GHSA-5MVF-7PMF-W2W4 external
https://trac.ffmpeg.org/ticket/11686 external
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20060 external
https://lists.opensuse.org/archives/list/security… external
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Das FFmpeg-Projekt besteht aus freien Programmen und Bibliotheken, die es erm\u00f6glichen, digitales Video- und Audiomaterial aufzunehmen, zu konvertieren, zu streamen und abzuspielen. Zudem enth\u00e4lt es mit libavcodec eine Audio- und Video-Codec-Sammlung, die verschiedene Codecs zur Verf\u00fcgung stellt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ffmpeg ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-3064 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3064.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3064 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3064"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-P275-5394-CXWQ vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-P275-5394-CXWQ"
      },
      {
        "category": "external",
        "summary": "FFmpeg Issue 21587 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21587"
      },
      {
        "category": "external",
        "summary": "FFmpeg Commit 9adced32785ce11a5923af12d72c25c0c2907e8b vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/9adced32785ce11a5923af12d72c25c0c2907e8b"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-36fh-g62v-wh23 vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-36fh-g62v-wh23"
      },
      {
        "category": "external",
        "summary": "FFmpeg Issue 21583 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21583"
      },
      {
        "category": "external",
        "summary": "FFmpeg Commit dc9bf66796b7c1f4329f127736ddf3258e5ba206 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/dc9bf66796b7c1f4329f127736ddf3258e5ba206"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-rgh2-m3vh-23hp vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-rgh2-m3vh-23hp"
      },
      {
        "category": "external",
        "summary": "FFmpeg Issue 21585 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21585"
      },
      {
        "category": "external",
        "summary": "FFmpeg Pull Request 21768 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21768"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-J7M5-VGMQ-4JFW vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-J7M5-VGMQ-4JFW"
      },
      {
        "category": "external",
        "summary": "FFmpeg Issue 21584 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21584"
      },
      {
        "category": "external",
        "summary": "FFmpeg Commit a59180022af5447d8b2847f539fb99c859175e95 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/a59180022af5447d8b2847f539fb99c859175e95"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-gpjg-x49v-595v vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-gpjg-x49v-595v"
      },
      {
        "category": "external",
        "summary": "FFmpeg Ticket 11692 vom 2026-08-27",
        "url": "https://trac.ffmpeg.org/ticket/11692"
      },
      {
        "category": "external",
        "summary": "FFmpeg Pull Request 20063 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20063"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-F99V-5V4X-H48M vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-F99V-5V4X-H48M"
      },
      {
        "category": "external",
        "summary": "FFmpeg Issue 21588 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21588"
      },
      {
        "category": "external",
        "summary": "FFmpeg Commit 946ce12e1c36e0cbfca2145ec66dcbc28350de38 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/946ce12e1c36e0cbfca2145ec66dcbc28350de38"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-4F39-H9CC-Q7G2 vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-4F39-H9CC-Q7G2"
      },
      {
        "category": "external",
        "summary": "FFmpeg Issue 21592 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21592"
      },
      {
        "category": "external",
        "summary": "FFmpeg Commit 1e63151355342228584e30dab2c53a2cb0d19b42 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/1e63151355342228584e30dab2c53a2cb0d19b42"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-5MVF-7PMF-W2W4 vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-5MVF-7PMF-W2W4"
      },
      {
        "category": "external",
        "summary": "FFmpeg Ticket 11686 vom 2026-08-27",
        "url": "https://trac.ffmpeg.org/ticket/11686"
      },
      {
        "category": "external",
        "summary": "FFmpeg Pull Request 20060 vom 2026-08-27",
        "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20060"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:11794-1 vom 2026-09-18",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/OIA76NTUGZSG6FIA2EH4UXUHQQ3TOC2E/"
      }
    ],
    "source_lang": "en-US",
    "title": "ffmpeg: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2026-09-20T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-21T09:49:33.883+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3064",
      "initial_release_date": "2026-08-27T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-27T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-09-20T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von openSUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source ffmpeg",
            "product": {
              "name": "Open Source ffmpeg",
              "product_id": "T058383",
              "product_identification_helper": {
                "cpe": "cpe:/a:ffmpeg:ffmpeg:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T055946",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-38343",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38343"
    },
    {
      "cve": "CVE-2026-38344",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38344"
    },
    {
      "cve": "CVE-2026-38345",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38345"
    },
    {
      "cve": "CVE-2026-38346",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38346"
    },
    {
      "cve": "CVE-2026-38347",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38347"
    },
    {
      "cve": "CVE-2026-38348",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38348"
    },
    {
      "cve": "CVE-2026-38349",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38349"
    },
    {
      "cve": "CVE-2026-38350",
      "product_status": {
        "known_affected": [
          "T058383",
          "T055946"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-38350"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.