[USN-7483-1] OpenJDK 21 vulnerabilities

[Evan Caville]

==========================================================================
Ubuntu Security Notice USN-7483-1
May 06, 2025

openjdk-21 vulnerabilities
==========================================================================

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

- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in OpenJDK 21.

Software Description:
- openjdk-21: Open Source Java implementation

Details:

Alicja Kario discovered that the JSSE component of OpenJDK 21 incorrectly
handled RSA padding. An Attacker could possibly use this issue to obtain
sensitive information. (CVE-2025-21587)

It was discovered that the Compiler component of OpenJDK 21 incorrectly
handled compiler transformations. An attacker could possibly use this
issue to cause a denial of service or execute arbitrary code.
(CVE-2025-30691)

It was discovered that the 2D component of OpenJDK 21 did not properly
manage memory under certain circumstances. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
(CVE-2025-30698)

In addition to security fixes, the updated packages contain bug fixes, new
features, and possibly incompatible changes.

Please see the following for more information:
https://openjdk.org/groups/vulnerability/advisories/2025-04-15

Update instructions:

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

Ubuntu 25.04
   openjdk-21-jdk                  21.0.7+6~us1-0ubuntu1~25.04
   openjdk-21-jdk-headless         21.0.7+6~us1-0ubuntu1~25.04
   openjdk-21-jre                  21.0.7+6~us1-0ubuntu1~25.04
   openjdk-21-jre-headless         21.0.7+6~us1-0ubuntu1~25.04
   openjdk-21-jre-zero             21.0.7+6~us1-0ubuntu1~25.04

Ubuntu 24.10
   openjdk-21-jdk                  21.0.7+6~us1-0ubuntu1~24.10
   openjdk-21-jdk-headless         21.0.7+6~us1-0ubuntu1~24.10
   openjdk-21-jre                  21.0.7+6~us1-0ubuntu1~24.10
   openjdk-21-jre-headless         21.0.7+6~us1-0ubuntu1~24.10
   openjdk-21-jre-zero             21.0.7+6~us1-0ubuntu1~24.10

Ubuntu 24.04 LTS
   openjdk-21-jdk                  21.0.7+6~us1-0ubuntu1~24.04
   openjdk-21-jdk-headless         21.0.7+6~us1-0ubuntu1~24.04
   openjdk-21-jre                  21.0.7+6~us1-0ubuntu1~24.04
   openjdk-21-jre-headless         21.0.7+6~us1-0ubuntu1~24.04
   openjdk-21-jre-zero             21.0.7+6~us1-0ubuntu1~24.04

Ubuntu 22.04 LTS
   openjdk-21-jdk                  21.0.7+6~us1-0ubuntu1~22.04
   openjdk-21-jdk-headless         21.0.7+6~us1-0ubuntu1~22.04
   openjdk-21-jre                  21.0.7+6~us1-0ubuntu1~22.04
   openjdk-21-jre-headless         21.0.7+6~us1-0ubuntu1~22.04
   openjdk-21-jre-zero             21.0.7+6~us1-0ubuntu1~22.04

Ubuntu 20.04 LTS
   openjdk-21-jdk                  21.0.7+6~us1-0ubuntu1~20.04
   openjdk-21-jdk-headless         21.0.7+6~us1-0ubuntu1~20.04
   openjdk-21-jre                  21.0.7+6~us1-0ubuntu1~20.04
   openjdk-21-jre-headless         21.0.7+6~us1-0ubuntu1~20.04
   openjdk-21-jre-zero             21.0.7+6~us1-0ubuntu1~20.04

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-7483-1
   CVE-2025-21587, CVE-2025-30691, CVE-2025-30698

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-21/21.0.7+6~us1-0ubuntu1~25.04
https://launchpad.net/ubuntu/+source/openjdk-21/21.0.7+6~us1-0ubuntu1~24.10
https://launchpad.net/ubuntu/+source/openjdk-21/21.0.7+6~us1-0ubuntu1~24.04
https://launchpad.net/ubuntu/+source/openjdk-21/21.0.7+6~us1-0ubuntu1~22.04
https://launchpad.net/ubuntu/+source/openjdk-21/21.0.7+6~us1-0ubuntu1~20.04

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