CWE
416
Advisory Published
CVE Published
Updated

CVE-2021-22930: Use After Free

First published: Thu Jul 29 2021(Updated: )

A flaw was found in Node.js, where it is vulnerable to a use-after-free attack. This flaw allows an attacker to exploit the memory corruption, which causes a change in the process behavior. The highest threat from this vulnerability is to confidentiality and integrity.

Credit: support@hackerone.com support@hackerone.com

Affected SoftwareAffected VersionHow to fix
redhat/rh-nodejs14-nodejs<0:14.17.5-1.el7
0:14.17.5-1.el7
redhat/rh-nodejs12-nodejs<0:12.22.5-1.el7
0:12.22.5-1.el7
redhat/rh-nodejs12-nodejs-nodemon<0:2.0.3-5.el7
0:2.0.3-5.el7
Nodejs Node.js>=12.0.0<12.22.4
Nodejs Node.js>=14.0.0<14.17.4
Nodejs Node.js>=16.0.0<16.6.0
Netapp Nextgen Api
Siemens Sinec Infrastructure Network Services<1.0.1.1
Debian Debian Linux=10.0
redhat/nodejs<12.22.4
12.22.4
redhat/nodejs<14.17.4
14.17.4
redhat/nodejs<16.6.0
16.6.0
IBM Cognos Controller<=11.0.0 - 11.0.1

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Frequently Asked Questions

  • What is CVE-2021-22930?

    CVE-2021-22930 is a vulnerability in Node.js that allows for a use-after-free attack, leading to memory corruption and a change in process behavior.

  • What is the severity of CVE-2021-22930?

    CVE-2021-22930 has a severity rating of critical, with a severity value of 9.

  • What software versions are affected by CVE-2021-22930?

    Versions before Node.js 16.6.0, 14.17.4, and 12.22.4 are affected by CVE-2021-22930.

  • How can I fix CVE-2021-22930?

    To fix CVE-2021-22930, update to Node.js versions 16.6.0, 14.17.4, or 12.22.4.

  • What is a use-after-free attack?

    A use-after-free attack is a type of memory corruption attack where an attacker manipulates object references after they have been freed, leading to unintended behavior and potential exploitation.

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