CVE-2025-22921

mediumcovered by 2 sourcesfirst seen 2026-06-22

Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitrary code if malformed files/streams are processed. https://security-tracker.debian.org/tracker/DSA-6361-1

CSIRTS triage

What: Several vulnerabilities could result in denial of service or potentially the execution of arbitrary code when processing malformed files.
Who is affected: Deployments of FFmpeg are affected.
Urgency: Remediation is urgent due to the potential for arbitrary code execution.
Action: Update to the latest version of FFmpeg.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all EPSS-scored CVEs.

Advisory coverage (2)

medium[UPDATE] [medium] ffmpeg: Multiple vulnerabilitiescert-bund · 2026-07-03
unknownDSA-6361-1 ffmpeg - security updatedebian · 2026-06-22

External references

NVD record for CVE-2025-22921

CVE.org record

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