--- title: 'USN-5388-1: OpenJDK 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-5388-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-5388-1 --- # USN-5388-1: OpenJDK vulnerabilities Publication date 26 April 2022 Overview Several security issues were fixed in OpenJDK. Releases [22.04 LTS](https://ubuntu.com/security/notices?release=jammy) [21.10](https://ubuntu.com/security/notices?release=impish) [20.04 LTS](https://ubuntu.com/security/notices?release=focal) [18.04 LTS](https://ubuntu.com/security/notices?release=bionic) --- Open side navigation ## Packages * [openjdk-lts](https://ubuntu.com/security/cves?package=openjdk-lts) - Open Source Java implementation ## Details It was discovered that OpenJDK incorrectly limited memory when compiling a specially crafted XPath expression. An attacker could possibly use this issue to cause a denial of service. ([CVE-2022-21426](https://ubuntu.com/security/CVE-2022-21426)) It was discovered that OpenJDK incorrectly handled converting certain object arguments into their textual representations. An attacker could possibly use this issue to cause a denial of service. ([CVE-2022-21434](https://ubuntu.com/security/CVE-2022-21434)) It was discovered that OpenJDK incorrectly validated the encoded length of certain object identifiers. An attacker could possibly use this issue to cause a denial of service. ([CVE-2022-21443](https://ubuntu.com/security/CVE-2022-21443)) It was discovered that OpenJDK incorrectly validated certain paths. An attacker could possibly use this issue to bypass the secure validation feature and expose sensitive information in XML files. ( --- 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 | | --- | --- | | 22.04 LTS jammy | [openjdk-11-jre-zero](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.22.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.22.04.1) | | | | [openjdk-11-jre-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.22.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.22.04.1) | | | | [openjdk-11-jdk](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.22.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.22.04.1) | | | | [openjdk-11-jdk-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.22.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.22.04.1) | | | | [openjdk-11-jre](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.22.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.22.04.1) | | | | 21.10 impish | [openjdk-11-jre-zero](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.21.10.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.21.10.1) | | | | [openjdk-11-jre-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.21.10.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.21.10.1) | | | | [openjdk-11-jdk](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.21.10.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.21.10.1) | | | | [openjdk-11-jdk-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.21.10.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.21.10.1) | | | | [openjdk-11-jre](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.21.10.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.21.10.1) | | | | 20.04 LTS focal | [openjdk-11-jre-zero](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.20.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.20.04.1) | | | | [openjdk-11-jre-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.20.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.20.04.1) | | | | [openjdk-11-jdk](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.20.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.20.04.1) | | | | [openjdk-11-jdk-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.20.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.20.04.1) | | | | [openjdk-11-jre](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.20.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.20.04.1) | | | | 18.04 LTS bionic | [openjdk-11-jre-zero](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.18.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.18.04.1) | | | | [openjdk-11-jre-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.18.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.18.04.1) | | | | [openjdk-11-jdk](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.18.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.18.04.1) | | | | [openjdk-11-jdk-headless](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.18.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.18.04.1) | | | | [openjdk-11-jre](https://launchpad.net/ubuntu/+source/openjdk-lts) –  [11.0.15+10-0ubuntu0.18.04.1](https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.15+10-0ubuntu0.18.04.1) | | | --- ### 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-2022-21496](https://ubuntu.com/security/CVE-2022-21496) * [CVE-2022-21476](https://ubuntu.com/security/CVE-2022-21476) * [CVE-2022-21443](https://ubuntu.com/security/CVE-2022-21443) * [CVE-2022-21434](https://ubuntu.com/security/CVE-2022-21434) * [CVE-2022-21426](https://ubuntu.com/security/CVE-2022-21426) ## Related notices * [USN-5546-1](https://ubuntu.com/security/notices/USN-5546-1) * [USN-5546-2](https://ubuntu.com/security/notices/USN-5546-2) * [USN-5388-2](https://ubuntu.com/security/notices/USN-5388-2)