Is CVE-2021-32274 in the CISA KEV catalog?

No. CVE-2021-32274 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-32274?

CVE-2021-32274 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-32274?

CVE-2021-32274 has an EPSS score of 1.23% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-32274?

Upgrade faad2 on debian 11 to 2.10.0-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2021-32274

HIGH

7.8

CVSS v3

NVD

Description

An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function sbr_qmf_synthesis_64 located in sbr_qmf.c. It allows an attacker to cause code Execution.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

faad2Debian

Fixed in:2.10.0-1CVE-2021-32274

faadUbuntu

Fixed in:2.7-8+deb8u3ubuntu0.1~esm1USN-6313-1

Fixed in:2.8.0~cvs20150510-1ubuntu0.1+esm1USN-6313-1

Fixed in:2.8.8-1ubuntu0.1~esm1USN-6313-1

Fixed in:2.9.1-1ubuntu0.1USN-6313-1

faad2Ubuntu

Fixed in:2.7-8+deb8u3ubuntu0.1~esm1USN-6313-1

Fixed in:2.8.0~cvs20150510-1ubuntu0.1+esm1USN-6313-1

Fixed in:2.8.8-1ubuntu0.1~esm1USN-6313-1

Fixed in:2.9.1-1ubuntu0.1USN-6313-1

libfaad-devUbuntu

Fixed in:2.7-8+deb8u3ubuntu0.1~esm1USN-6313-1

Fixed in:2.8.0~cvs20150510-1ubuntu0.1+esm1USN-6313-1

Fixed in:2.8.8-1ubuntu0.1~esm1USN-6313-1

Fixed in:2.9.1-1ubuntu0.1USN-6313-1

libfaad2Ubuntu

Fixed in:2.7-8+deb8u3ubuntu0.1~esm1USN-6313-1

Fixed in:2.8.0~cvs20150510-1ubuntu0.1+esm1USN-6313-1

Fixed in:2.8.8-1ubuntu0.1~esm1USN-6313-1

Fixed in:2.9.1-1ubuntu0.1USN-6313-1

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

1.23%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory2

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.