Medium (5.3) in ffmpeg ffmpeg. EPSS 0.7% chance of exploitation in the next 30 days.
FFmpeg n6.1.1 has a vulnerability in the WAVARC decoder of the libavcodec library which allows for an integer overflow when handling certain block types, leading to a denial-of-service (DoS) condition.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)