CVE-2026-30999: Ffmpeg

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Ffmpeg Ffmpeg: up to and including 8.0.1

Published 2026-04-13. Last modified 2026-06-17.