CVE-2018-20194: Audiocoding Freeware Advanced Audio Decoder 2

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max <= G case.

Affected products

• Audiocoding Freeware Advanced Audio Decoder 2: version 2.8.8 only

Published 2018-12-18. Last modified 2026-06-17.