[USN-4892-1] OpenJDK vulnerability

========================================================================== Ubuntu Security Notice USN-4892-1 April 27, 2021
openjdk-8, openjdk-lts vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS – Ubuntu 16.04 LTS
Summary:
OpenJDK’s security restriction could be bypassed when verifying Jar signatures.
Software Description: – openjdk-8: Open Source Java implementation – openjdk-lts: Open Source Java implementation
Details:
It was discovered that OpenJDK incorrectly verified Jar signatures. An attacker could possibly use this issue to bypass intended security restrictions when using Jar files signed with a disabled algorithm.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.10: openjdk-11-jdk 11.0.11+9-0ubuntu2~20.10 openjdk-11-jre 11.0.11+9-0ubuntu2~20.10 openjdk-11-jre-headless 11.0.11+9-0ubuntu2~20.10 openjdk-11-jre-zero 11.0.11+9-0ubuntu2~20.10 openjdk-8-jdk 8u292-b10-0ubuntu1~20.10 openjdk-8-jre 8u292-b10-0ubuntu1~20.10 openjdk-8-jre-headless 8u292-b10-0ubuntu1~20.10 openjdk-8-jre-zero 8u292-b10-0ubuntu1~20.10
Ubuntu 20.04 LTS: openjdk-11-jdk 11.0.11+9-0ubuntu2~20.04 openjdk-11-jre 11.0.11+9-0ubuntu2~20.04 openjdk-11-jre-headless 11.0.11+9-0ubuntu2~20.04 openjdk-11-jre-zero 11.0.11+9-0ubuntu2~20.04 openjdk-8-jdk 8u292-b10-0ubuntu1~20.04 openjdk-8-jre 8u292-b10-0ubuntu1~20.04 openjdk-8-jre-headless 8u292-b10-0ubuntu1~20.04 openjdk-8-jre-zero 8u292-b10-0ubuntu1~20.04
Ubuntu 18.04 LTS: openjdk-11-jdk 11.0.11+9-0ubuntu2~18.04 openjdk-11-jre 11.0.11+9-0ubuntu2~18.04 openjdk-11-jre-headless 11.0.11+9-0ubuntu2~18.04 openjdk-11-jre-zero 11.0.11+9-0ubuntu2~18.04 openjdk-8-jdk 8u292-b10-0ubuntu1~18.04 openjdk-8-jre 8u292-b10-0ubuntu1~18.04 openjdk-8-jre-headless 8u292-b10-0ubuntu1~18.04 openjdk-8-jre-zero 8u292-b10-0ubuntu1~18.04
Ubuntu 16.04 LTS: openjdk-8-jdk 8u292-b10-0ubuntu1~16.04.1 openjdk-8-jre 8u292-b10-0ubuntu1~16.04.1 openjdk-8-jre-headless 8u292-b10-0ubuntu1~16.04.1 openjdk-8-jre-zero 8u292-b10-0ubuntu1~16.04.1
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: ubuntu.com/security/notices/USN-4892-1 CVE-2021-2163
Package Information: launchpad.net/ubuntu/+source/openjdk-8/8u292-b10-0ubuntu1~20.10 launchpad.net/ubuntu/+source/openjdk-lts/11.0.11+9-0ubuntu2~20.10 launchpad.net/ubuntu/+source/openjdk-8/8u292-b10-0ubuntu1~20.04 launchpad.net/ubuntu/+source/openjdk-lts/11.0.11+9-0ubuntu2~20.04 launchpad.net/ubuntu/+source/openjdk-8/8u292-b10-0ubuntu1~18.04 launchpad.net/ubuntu/+source/openjdk-lts/11.0.11+9-0ubuntu2~18.04 launchpad.net/ubuntu/+source/openjdk-8/8u292-b10-0ubuntu1~16.04.1