[UPDATE] [medium] ffmpeg: Vulnerability allows denial of service
A remote, anonymous attacker can exploit a vulnerability in ffmpeg to conduct a denial of service attack.
CSIRTS triage
- What
- A remote, anonymous attacker can exploit a vulnerability in ffmpeg to conduct a denial of service attack.
- Who is affected
- Deployments of ffmpeg are affected.
- Urgency
- Remediation is medium urgency due to the potential for denial of service.
- Action
- Update to the latest version of ffmpeg.
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-2025-2026
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-2025-102560.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-10256 | coverage & exploitation status | NVD · CVE.org |
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.
- medium[UPDATE] [medium] ffmpeg: Multiple vulnerabilitiescert-bund · 2026-07-03
- medium[UPDATE] [medium] ffmpeg: Vulnerability allows code execution and potentially denial of servicecert-bund · 2026-07-03
- medium[UPDATE] [medium] ffmpeg: Vulnerability allows Denial of Service, potentially code executioncert-bund · 2026-07-03
- medium[UPDATE] [medium] ffmpeg: Vulnerability allows Denial of Servicecert-bund · 2026-07-03
- medium[UPDATE] [medium] ffmpeg: Multiple vulnerabilitiescert-bund · 2026-07-03
- unknownCVE-2026-13858: Chromium: CVE-2026-13858 Out of bounds read in FFmpegmsrc · 2026-07-02
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