[NEW] [medium] ffmpeg: Multiple vulnerabilities

mediumCVE-2026-70628 CVE-2026-70629 CVE-2026-70630 CVE-2026-70631 CVE-2026-70632

A local attacker can exploit multiple vulnerabilities in ffmpeg to execute arbitrary code, manipulate data, or disclose confidential information.

CSIRTS triage

vendor: ffmpeg product: ffmpeg Remote code execution Code injection Information disclosure

What: Multiple vulnerabilities allow local attackers to execute arbitrary code, manipulate data, or disclose information.
Who is affected: Systems running ffmpeg with local user access are affected.
Urgency: Moderate; local-only vulnerabilities limiting immediate risk despite code execution potential.
Action: Update ffmpeg to a patched version when available.

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: 2026-08-07
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-2026-2700

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-2026-706280.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-706290.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-706300.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-706310.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-706320.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-70628	coverage & exploitation status	NVD · CVE.org
CVE-2026-70629	coverage & exploitation status	NVD · CVE.org
CVE-2026-70630	coverage & exploitation status	NVD · CVE.org
CVE-2026-70631	coverage & exploitation status	NVD · CVE.org
CVE-2026-70632	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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.

high[NEW] [high] ffmpeg: Multiple vulnerabilitiescert-bund · 2026-08-07
high[NEW] [high] ffmpeg: Multiple vulnerabilitiescert-bund · 2026-08-07
high[UPDATE] [high] ffmpeg RASC video decoder: Vulnerability enables Denial of Service and memory corruptioncert-bund · 2026-08-07
highCVE-2026-70632: FFmpeg versions from 4.4 up to, but not including, 9.0 contain an out-of-bounds heap write vul…nvd · 2026-08-06
mediumCVE-2026-70631: FFmpeg versions from 0.5 up to, but not including, 9.0 contain an uninitialized heap memory di…nvd · 2026-08-06
mediumCVE-2026-70630: FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory re…nvd · 2026-08-06