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[UPDATE] [medium] ffmpeg: Vulnerability allows denial of service

mediumCVE-2025-10256
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

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-03
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-10256coverage & exploitation statusNVD · 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.

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