CVE-2023-6603: Ffmpeg

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A flaw was found in FFmpeg's HLS playlist parsing. This vulnerability allows a denial of service via a maliciously crafted HLS playlist that triggers a null pointer dereference during initialization.

Affected products

• Ffmpeg Ffmpeg: from 2.0, up to and including 6.0

Published 2024-12-31. Last modified 2026-06-17.