CVE-2021-33815: Ffmpeg

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

dwa_uncompress in libavcodec/exr.c in FFmpeg 4.4 allows an out-of-bounds array access because dc_count is not strictly checked.

Affected products

• Ffmpeg Ffmpeg: version 4.4 only

Published 2021-06-03. Last modified 2026-06-17.