CVE-2021-32274

Name: CVE-2021-32274
Creator: NVD / NIST
Published: 2021-09-20T16:15:10.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.23%

Last modified Jun 17, 2026

CVE-2021-32274 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.23%

65.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Faad2 Project	Faad2	<= 2.10.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://github.com/knik0/faad2/issues/60Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00020.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2022/dsa-5109Third Party Advisory
https://github.com/knik0/faad2/issues/60Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00020.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2022/dsa-5109Third Party Advisory

Timeline

Published: Sep 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32274?

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.

How severe is CVE-2021-32274?

CVE-2021-32274 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32274?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32274?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST