Improper Memory Cleanup in the Okta Java SDK CVE-2025-66033 - Dec 10, 2025

Description

In the Okta Java SDK, specific multithreaded implementations may encounter memory issues as threads are not properly cleaned up after requests are completed. Over time, this can degrade performance and availability in long-running applications and may result in a denial-of-service condition under sustained load.

Affected product and versions

You may be affected if you meet the following preconditions:

• Using the Okta Java SDK between versions 21.0.0 and 24.0.0, and

• Implementing a long-running application using the ApiClient in a multi-threaded manner.

Resolution

Upgrade Okta/okta-sdk-java to versions 24.0.1 or greater.

Acknowledgement

Okta would like to thank Andrew Pikler (pyckle) for their discovery and responsible disclosure.

CVE details