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Ubuntu 19.10: USN-4337-1 Critical: OpenJDK Denial Of Service Risks

ubuntu
Calendar Grey April 22, 2020
Dist Ubuntu Esm H88
Numerous vulnerabilities addressed in OpenJDK for Ubuntu with recent patches on April 22, 2020. Urgent implementation advised.
Several security issues were fixed in OpenJDK.

Summary

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu security issues OpenJDK TLS handshake Java implementation

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: openjdk-11-jdk 11.0.7+10-2ubuntu2~19.10 openjdk-11-jre 11.0.7+10-2ubuntu2~19.10 openjdk-11-jre-headless 11.0.7+10-2ubuntu2~19.10 openjdk-11-jre-zero 11.0.7+10-2ubuntu2~19.10 openjdk-8-jdk 8u252-b09-1~19.10 openjdk-8-jre 8u252-b09-1~19.10 openjdk-8-jre-headless 8u252-b09-1~19.10 openjdk-8-jre-zero 8u252-b09-1~19.10 Ubuntu 18.04 LTS: openjdk-11-jdk 11.0.7+10-2ubuntu2~18.04 openjdk-11-jre 11.0.7+10-2ubuntu2~18.04 openjdk-11-jre-headless 11.0.7+10-2ubuntu2~18.04 openjdk-11-jre-zero 11.0.7+10-2ubuntu2~18.04 openjdk-8-jdk 8u252-b09-1~18.04 openjdk-8-jre 8u252-b09-1~18.04 openjdk-8-jre-headless 8u252-b09-1~18.04 openjdk-8-jre-zero 8u252-b09-1~18.04 Ubuntu 16.04 LTS: openjdk-8-jdk 8u252-b09-1~16.04 openjdk-8-jre 8u252-b09-1~16.04 openjdk-8-jre-headless 8u252-b09-1~16.04 openjdk-8-jre-jamvm 8u252-b09-1~16.04 openjdk-8-jre-zero 8u252-b09-1~16.04 This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart any Java applications or applets to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4337-1

CVE-2020-2754, CVE-2020-2755, CVE-2020-2756, CVE-2020-2757,

CVE-2020-2767, CVE-2020-2773, CVE-2020-2778, CVE-2020-2781,

CVE-2020-2800, CVE-2020-2803, CVE-2020-2805, CVE-2020-2816,

CVE-2020-2830

Severity
critical
Lowest
Low
Medium
High
Critical

April 22, 2020

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu security issues OpenJDK TLS handshake Java implementation

Package Information

https://launchpad.net/ubuntu/+source/openjdk-8/8u252-b09-1~19.10 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.7+10-2ubuntu2~19.10 https://launchpad.net/ubuntu/+source/openjdk-8/8u252-b09-1~18.04 https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.7+10-2ubuntu2~18.04 https://launchpad.net/ubuntu/+source/openjdk-8/8u252-b09-1~16.04

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