CVE-2021-32276: Null Pointer Dereference
First published: Mon Sep 20 2021(Updated: )
An issue was discovered in faad2 through 2.10.0. A NULL pointer dereference exists in the function get_sample() located in output.c. It allows an attacker to cause Denial of Service.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| <=2.10.0 | ||
| =9.0 | ||
| =10.0 | ||
| Faad2 Project Faad2 | <=2.10.0 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| debian/faad2 | 2.10.0-1~deb10u1 2.10.0-1 2.10.1-1 2.11.1-1 | |
| 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~ |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/knik0/faad2/issues/58
- https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html
- https://www.debian.org/security/2022/dsa-5109
- https://launchpad.net/bugs/cve/CVE-2021-32276
- https://github.com/knik0/faad2/commit/b58840121d1827b4b6c7617e2431589af1776ddc
- https://security-tracker.debian.org/tracker/CVE-2021-32276
- https://ubuntu.com/security/notices/USN-6313-1
- https://www.cve.org/CVERecord?id=CVE-2021-32276
- https://nvd.nist.gov/vuln/detail/CVE-2021-32276
- https://ubuntu.com/security/CVE-2021-32276
Frequently Asked Questions
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().
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.
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.
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.
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.
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/softwarecombine
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- collector/nvd-cve
- source/NVD
- agent/event
- agent/description
- agent/severity
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/weakness
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/faad2 project
- canonical/faad2 project faad2
- version/faad2 project faad2/2.10.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- package-manager/debian
- package-manager/ubuntu