CVE-2018-20196

Severity: high (CVSS 7.8 v3.1)
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 overflow 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 the S_M array is mishandled.

Affected products

Audiocoding Freeware Advanced Audio Decoder 2: 2.8.8
Debian Linux: 8.0, 10.0

References

https://github.com/knik0/faad2/issues/19
https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html
https://security.gentoo.org/glsa/202006-17
https://www.debian.org/security/2022/dsa-5109
https://github.com/knik0/faad2/issues/19
https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html
https://security.gentoo.org/glsa/202006-17
https://www.debian.org/security/2022/dsa-5109

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