Name: CVE-2026-30999: Heap-based Buffer Overflow
Creator: Rapid7
Published: 2026-04-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-30999, CWE-122, CVSS 7.5, EPSS 0.00041

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.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Ffmpeg	—	Upgrade to FFmpeg version 8.1.2Upgrade to FFmpeg version 9.0Upgrade to FFmpeg version 8.0.3	Apr 27, 2026	Apr 13, 2026
Ubuntu	—	Upgrade libavfilter7 (Ubuntu Pro)Upgrade libavformat-extra58 (Ubuntu Pro)Upgrade libavformat58 (Ubuntu Pro)Upgrade ffmpeg (Ubuntu Pro)Upgrade libavcodec58 (Ubuntu Pro)Upgrade libavcodec-extra58 (Ubuntu Pro)	Sep 14, 2026	Sep 14, 2026

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CVSS Details

Covered by Rapid7

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