[USN-7255-1] OpenJDK 23 vulnerability

[Evan Caville]

==========================================================================
Ubuntu Security Notice USN-7255-1
February 05, 2025

openjdk-23 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10

Summary:

OpenJDK 23 could be made to expose sensitive information over the
network.

Software Description:
- openjdk-23: Open Source Java implementation

Details:

It was discovered that the Hotspot component of OpenJDK 23 did not properly
handle API access under certain circumstances. An unauthenticated attacker
could possibly use this issue to access unauthorized resources and expose
sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.10
   openjdk-23-jdk                  23.0.2+7-1ubuntu1~24.10
   openjdk-23-jdk-headless         23.0.2+7-1ubuntu1~24.10
   openjdk-23-jre                  23.0.2+7-1ubuntu1~24.10
   openjdk-23-jre-headless         23.0.2+7-1ubuntu1~24.10
   openjdk-23-jre-zero             23.0.2+7-1ubuntu1~24.10

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart Java
applications to make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-7255-1
   CVE-2025-21502

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-23/23.0.2+7-1ubuntu1~24.10

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