--- title: 'USN-3121-1: OpenJDK 8 vulnerabilities | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-3121-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-3121-1 --- # USN-3121-1: OpenJDK 8 vulnerabilities Publication date 3 November 2016 Overview Several security issues were fixed in OpenJDK 8. Releases [16.10](https://ubuntu.com/security/notices?release=yakkety) [16.04 LTS](https://ubuntu.com/security/notices?release=xenial) --- Open side navigation ## Packages * [openjdk-8](https://ubuntu.com/security/cves?package=openjdk-8) - Open Source Java implementation ## Details It was discovered that the Hotspot component of OpenJDK did not properly check arguments of the System.arraycopy() function in certain cases. An attacker could use this to bypass Java sandbox restrictions. ([CVE-2016-5582](https://ubuntu.com/security/CVE-2016-5582)) It was discovered that OpenJDK did not restrict the set of algorithms used for Jar integrity verification. An attacker could use this to modify without detection the content of a JAR file, affecting system integrity. ([CVE-2016-5542](https://ubuntu.com/security/CVE-2016-5542)) It was discovered that the JMX component of OpenJDK did not sufficiently perform classloader consistency checks. An attacker could use this to bypass Java sandbox restrictions. ([CVE-2016-5554](https://ubuntu.com/security/CVE-2016-5554)) It was discovered that the Hotspot component of OpenJDK did not properly check received Java Debug Wire Protocol (JDWP) packets. An attacker could use this to send... --- Show more ## Update instructions 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. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 16.10 yakkety | [openjdk-8-jdk](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.10.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.10.2) | | | | [openjdk-8-jdk-headless](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.10.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.10.2) | | | | [openjdk-8-jre](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.10.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.10.2) | | | | [openjdk-8-jre-headless](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.10.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.10.2) | | | | [openjdk-8-jre-jamvm](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.10.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.10.2) | | | | [openjdk-8-jre-zero](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.10.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.10.2) | | | | 16.04 LTS xenial | [openjdk-8-jdk](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.04.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.04.2) | | | | [openjdk-8-jdk-headless](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.04.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.04.2) | | | | [openjdk-8-jre](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.04.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.04.2) | | | | [openjdk-8-jre-headless](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.04.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.04.2) | | | | [openjdk-8-jre-jamvm](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.04.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.04.2) | | | | [openjdk-8-jre-zero](https://launchpad.net/ubuntu/+source/openjdk-8) –  [8u111-b14-2ubuntu0.16.04.2](https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.04.2) | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2016-5597](https://ubuntu.com/security/CVE-2016-5597) * [CVE-2016-5582](https://ubuntu.com/security/CVE-2016-5582) * [CVE-2016-5573](https://ubuntu.com/security/CVE-2016-5573) * [CVE-2016-5554](https://ubuntu.com/security/CVE-2016-5554) * [CVE-2016-5542](https://ubuntu.com/security/CVE-2016-5542) ## Related notices * [USN-3154-1](https://ubuntu.com/security/notices/USN-3154-1) * [USN-3130-1](https://ubuntu.com/security/notices/USN-3130-1)