Is CVE-2018-20196 in the CISA KEV catalog?

No. CVE-2018-20196 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20196?

CVE-2018-20196 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-20196?

CVE-2018-20196 has an EPSS score of 1.28% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20196?

Upgrade faad2 on debian 11 to 2.8.8-3.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-20196

HIGH

7.8

CVSS v3

NVD

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.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

faad2Debian

Fixed in:2.8.8-3.1CVE-2018-20196

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.28%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.