[UPDATE] [hoch] ffmpeg: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ffmpeg ausnutzen, um eine Speicherbeschädigung herbeizuführen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand auszulösen oder vertrauliche Informationen offenzulegen.
CSIRTS triage
- What
- Multiple vulnerabilities in ffmpeg can lead to memory corruption, arbitrary code execution, denial of service, or information disclosure.
- Who is affected
- Deployments of ffmpeg.
- Urgency
- Remediation is high due to the critical nature of the vulnerabilities and potential for exploitation.
- Action
- Update ffmpeg to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2526
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-660360.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-660370.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-660380.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-660390.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-660400.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-660410.54% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-66036 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-66037 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-66038 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-66039 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-66040 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-66041 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownUSN-8738-1: FFmpeg vulnerabilitiesubuntu
- unknownUSN-8671-1: FFmpeg vulnerabilitiesubuntu
- highCVE-2026-66041: FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnera…nvd
- highCVE-2026-66040: FFmpeg through 8.1.2, fixed in commit b506faf, contains a heap out-of-bounds write vulnerabili…nvd
- highCVE-2026-66039: FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerabilit…nvd
- mediumCVE-2026-66038: FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerabilit…nvd
- mediumCVE-2026-66037: FFmpeg through 8.1.2, fixed in commit 5d7112c, contains an uncontrolled resource consumption v…nvd
- highCVE-2026-66036: FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerabili…nvd
Recent advisories for ffmpeg
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownUSN-8716-2: FFmpeg vulnerabilitiesubuntu · 2026-09-09
- medium[NEU] [mittel] ffmpeg: Schwachstelle ermöglicht Ausführen von beliebigem Programmcodecert-bund · 2026-09-09
- medium[UPDATE] [mittel] ffmpeg: Mehrere Schwachstellencert-bund · 2026-09-09
- highCVE-2026-30754: A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In th…nvd · 2026-09-08
- unknownUSN-8738-1: FFmpeg vulnerabilitiesubuntu · 2026-09-08
- medium[UPDATE] [mittel] ffmpeg: Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-09-07
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