2.3.1 release notes

July 21, 2022

NGINX Instance Manager 2.3.1 release notes

Upgrade Paths

NGINX Instance Manager 2.3.1 supports upgrades from these previous versions:

  • 2.0.0 - 2.3.0

If your NGINX Instance Manager version is older, you may need to upgrade to an intermediate version before upgrading to the target version.

Security updates

Important
For the protection of our customers, NGINX doesn’t disclose security issues until an investigation has occurred and a fix is available.

This release includes the following security updates:

  • Instance Manager vulnerability CVE-2022-35241

    In versions of 2.x before 2.3.1 and all versions of 1.x, when Instance Manager is in use, undisclosed requests can cause an increase in disk resource utilization.

    This issue has been classified as CWE-400: Uncontrolled Resource Consumption.

    For more information, refer to the AskF5 article K37080719.

Known issues

You can find information about known issues in the Known Issues topic.