VULNERABILITY INTELLIGENCE
CVE-2018-20197
CVSS score7.8 HIGH
EPSS probability1.32%
CISA KEVNot currently listed
Published2018-12-18
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- CWE-787: Out-of-bounds Write