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Ubuntu 25.04: OpenJDK 8 Critical Denial of Service Advisory USN-7667-1

ubuntu
Calendar Grey July 29, 2025
Dist Ubuntu Esm H88
Numerous vulnerabilities addressed in OpenJDK 8 across various Ubuntu releases, emphasizing enhancements in memory handling and TLS handshake processes.
Several security issues were fixed in OpenJDK 8.

Summary

Several security issues were fixed in OpenJDK 8.

Software Description:

- openjdk-8: Open Source Java implementation

Details:

It was discovered that the 2D component of OpenJDK 8 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-2025-30749, CVE-2025-50106)

Mashroor Hasan Bhuiyan discovered that the JSSE component of OpenJDK 8

did not properly manage TLS 1.3 handshakes under certain circumstances.

An attacker could possibly use this issue to obtain sensitive

information. (CVE-2025-30754)

It was discovered that the Scripting component of OpenJDK 8 did not

properly manage properties under certain circumstances. An attacker

could possibly use this issue to cause a denial of service, execute

arbitrary code or bypass Java sandbox restrictions. (CVE-2025-30761)

In addition to security fixes, the updated packages contain bug fixes, new

features, and possibly incompatible ch...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu vulnerability java openjdk-8

Update Instructions

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

Ubuntu 25.04
  openjdk-8-jdk                   8u462-ga~us1-0ubuntu2~25.04.2
  openjdk-8-jdk-headless          8u462-ga~us1-0ubuntu2~25.04.2
  openjdk-8-jre                   8u462-ga~us1-0ubuntu2~25.04.2
  openjdk-8-jre-headless          8u462-ga~us1-0ubuntu2~25.04.2
  openjdk-8-jre-zero              8u462-ga~us1-0ubuntu2~25.04.2

Ubuntu 24.04 LTS
  openjdk-8-jdk                   8u462-ga~us1-0ubuntu2~24.04.2
  openjdk-8-jdk-headless          8u462-ga~us1-0ubuntu2~24.04.2
  openjdk-8-jre                   8u462-ga~us1-0ubuntu2~24.04.2
  openjdk-8-jre-headless          8u462-ga~us1-0ubuntu2~24.04.2
  openjdk-8-jre-zero              8u462-ga~us1-0ubuntu2~24.04.2

Ubuntu 22.04 LTS
  openjdk-8-jdk                   8u462-ga~us1-0ubuntu2~22.04.2
  openjdk-8-jdk-headless          8u462-ga~us1-0ubuntu2~22.04.2
  openjdk-8-jre                   8u462-ga~us1-0ubuntu2~22.04.2
  openjdk-8-jre-headless          8u462-ga~us1-0ubuntu2~22.04.2
  openjdk-8-jre-zero              8u462-ga~us1-0ubuntu2~22.04.2

Ubuntu 20.04 LTS
  openjdk-8-jdk                   8u462-ga~us1-0ubuntu2~20.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jdk-headless          8u462-ga~us1-0ubuntu2~20.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre                   8u462-ga~us1-0ubuntu2~20.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre-headless          8u462-ga~us1-0ubuntu2~20.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre-zero              8u462-ga~us1-0ubuntu2~20.04.2
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  openjdk-8-jdk                   8u462-ga~us1-0ubuntu2~18.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jdk-headless          8u462-ga~us1-0ubuntu2~18.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre                   8u462-ga~us1-0ubuntu2~18.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre-headless          8u462-ga~us1-0ubuntu2~18.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre-zero              8u462-ga~us1-0ubuntu2~18.04.2
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  openjdk-8-jdk                   8u462-ga~us1-0ubuntu2~16.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jdk-headless          8u462-ga~us1-0ubuntu2~16.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre                   8u462-ga~us1-0ubuntu2~16.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre-headless          8u462-ga~us1-0ubuntu2~16.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre-jamvm             8u462-ga~us1-0ubuntu2~16.04.2
                                  Available with Ubuntu Pro
  openjdk-8-jre-zero              8u462-ga~us1-0ubuntu2~16.04.2
                                  Available with Ubuntu Pro

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-7667-1

CVE-2025-30749, CVE-2025-30754, CVE-2025-30761, CVE-2025-50106

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7667-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu vulnerability java openjdk-8

Package Information

https://launchpad.net/ubuntu/+source/openjdk-8/8u462-ga~us1-0ubuntu2~25.04.2
https://launchpad.net/ubuntu/+source/openjdk-8/8u462-ga~us1-0ubuntu2~24.04.2
https://launchpad.net/ubuntu/+source/openjdk-8/8u462-ga~us1-0ubuntu2~22.04.2

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