CVE-2021-32276: Null Pointer Dereference

Published Sep 20, 2021
·
Updated

An issue was discovered in faad2 through 2.10.0. A NULL pointer dereference exists in the function getsample() located in output.c. It allows an attacker to cause Denial of Service.

Affected Software

8 affected componentsFixes available
debian/faad2
2.10.0-1~deb10u12.10.0-12.10.1-12.11.1-1
ubuntu/faad2<2.8.8-1ubuntu0.1~
2.8.8-1ubuntu0.1~
ubuntu/faad2<2.9.1-1ubuntu0.1
2.9.1-1ubuntu0.1
ubuntu/faad2<2.7-8+
2.7-8+
ubuntu/faad2<2.8.0~
2.8.0~
Faad2 Project Faad2<=2.10.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0

Event History

Sep 20, 2021
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·03:26 PM
Data Sourced
via MITRE·03:26 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·11:56 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2021-32276?

CVE-2021-32276 is a vulnerability discovered in faad2 through version 2.10.0 that allows an attacker to cause a Denial of Service (DoS) by exploiting a NULL pointer dereference in the function get_sample().

2

How can an attacker exploit CVE-2021-32276?

An attacker can exploit CVE-2021-32276 by sending a specially crafted input that triggers the NULL pointer dereference in the get_sample() function, causing a DoS.

3

Which versions of faad2 are affected by CVE-2021-32276?

Versions up to and including 2.10.0 of faad2 are affected by CVE-2021-32276.

4

How can I fix the CVE-2021-32276 vulnerability?

To fix the CVE-2021-32276 vulnerability, you should update your faad2 installation to version 2.10.1 or apply the appropriate patches provided by the vendor.

5

Where can I find more information about CVE-2021-32276?

You can find more information about CVE-2021-32276 on the official MITRE CVE website and the relevant vendor security notices.

Contact

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