CVE-2026-30999

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductFfmpeg
PublishedApr 13, 2026
First seenApr 13, 2026
Weakness typeCWE-122CWE-122

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
ffmpeg ffmpegv ≤ 8.0.1—

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