CVE-2018-20194
faad2 - security update
7.8
HIGH
CVSS 3.1
EPSS 0.23%
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.
How to fix CVE-2018-20194
To remediate CVE-2018-20194, upgrade the affected package to a fixed version below.
- —upgrade to 2.9.0-r0 or later
- —upgrade to 2.8.8-2 or later
- —upgrade to 2.7-8+deb8u2 or later
Is CVE-2018-20194 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.9.0-r0
- from 0, < 2.8.8-2
- from 0, < 2.7-8+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |