What’s Vulnerable › Vulnerabilities
CVE-2018-20197
- Severity: high (CVSS 7.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2018-12-18 · updated 2026-06-17
- Weakness: CWE-787
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.
Affected products
References
- https://github.com/knik0/faad2/issues/20
- https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html
- https://seclists.org/bugtraq/2019/Sep/28
- https://security.gentoo.org/glsa/202006-17
- https://www.debian.org/security/2019/dsa-4522
- https://github.com/knik0/faad2/issues/20
- https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html
- https://seclists.org/bugtraq/2019/Sep/28
- https://security.gentoo.org/glsa/202006-17
- https://www.debian.org/security/2019/dsa-4522
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