CVE-2019-17542: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access in vqa_decode_init in libavcodec/vqavideo.c.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Ffmpeg Ffmpeg: before 2.8.16 (fixed in 2.8.16); from 3.2, before 3.2.15 (fixed in 3.2.15); from 3.4, before 3.4.7 (fixed in 3.4.7); from 4.0, before 4.0.5 (fixed in 4.0.5); from 4.1, before 4.1.5 (fixed in 4.1.5)

Published 2019-10-14. Last modified 2026-06-17.