CVE-2026-30999

unknown

EUVD alias: EUVD-2026-21976

Published 2026-09-14 · Modified —

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

—

Description

FFmpeg vulnerabilities

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2026-30999 NameCVE-2026-30999 DescriptionA heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input. SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) Vulnerable and fixed packages The table…

CVE-2026-30999

Name	CVE-2026-30999
Description	A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ffmpeg (PTS)	bullseye	7:4.3.7-0+deb11u1	vulnerable
	bullseye (security)	7:4.3.9-0+deb11u2	vulnerable
	bookworm	7:5.1.8-0+deb12u1	vulnerable
	bookworm (security)	7:5.1.9-0+deb12u1	vulnerable
	trixie	7:7.1.3-0+deb13u1	vulnerable
	trixie (security)	7:7.1.5-0+deb13u1	vulnerable
	forky, sid	7:8.1.2-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ffmpeg	source	(unstable)	7:8.1.2-1	unimportant

Notes

https://github.com/ffmpeg/fFmpeg/commit/144af8f81abc1385631b4e1f4672cd415a9c6e05
No security impact, memory leak in CLI tool

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

https://github.com/ffmpeg/fFmpeg/commit/144af8f81abc1385631b4e1f4672cd415a9c6e05No security impact, memory leak in CLI tool

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Mixed 5 releases

Version	Status	Fixed in
trixie	Affected	—
sid	Fixed	`7:8.1.2-1`
forky	Fixed	`7:8.1.2-1`
bullseye	Affected	—
bookworm	Affected	—

Ubuntu Fixed 2 releases

Version	Status	Fixed in
jammy	Fixed	`7:4.4.2-0ubuntu0.22.04.1+esm16`
focal	Fixed	`7:4.2.7-0ubuntu0.1+esm17`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.