The wav_convert2mono function in lib/wav.c in SWFTools 0.9.2 does not properly validate WAV data, which allows remote attackers to cause a denial of service (incorrect malloc and heap-based buffer overflow) or possibly have unspecified other impact via a crafted file.
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
1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)