LAME through 3.99.5 relies on the signed integer data type for values in a WAV or AIFF header, which allows remote attackers to cause a denial of service (stack-based buffer overflow or heap-based buffer overflow) or possibly have unspecified other impact via a crafted file, as demonstrated by mishandling of num_channels.
Severity
CVSS 3.0
7.8 high
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)