CVE-2018-20194

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.31%
Vendor Advisory debian.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/knik0/faad2/issues/21 third party advisory exploit
https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html mailing list
https://www.debian.org/security/2019/dsa-4522 vendor advisory
https://seclists.org/bugtraq/2019/Sep/28 mailing list
https://security.gentoo.org/glsa/202006-17 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-20194?
CVE-2018-20194 has been scored as a high severity vulnerability.
How to fix CVE-2018-20194?
To fix CVE-2018-20194, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20194 being actively exploited in the wild?
It is possible that CVE-2018-20194 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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