Multiple vulnerabilities have been discovered in various components of OpenJDK 11, including Security, JSSE, JAAS, JDBC, Networking, JAXP, ImageIO, AWT, Serviceability, Libraries, JDK tools, Utility, 2D, Sound, and JGSS. These issues involve incorrect authentication or authorization, potentially allowing remote or local attackers to read or modify sensitive data or cause denial of service. The vulnerabilities affect several Ubuntu-packaged versions of OpenJDK 11. Fixes have been released in version 11.0.33+9-1ubuntu1 for multiple Ubuntu distributions.