========================================================================= Ubuntu Security Notice USN-4600-1 October 22, 2020 netty-3.9 vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS Summary: Netty could be made to expose sensitive information over the network. Software Description: - netty-3.9: Asynchronous event-driven network application framework Details: It was discovered that Netty had HTTP request smuggling vulnerabilities. A remote attacker could used it to extract sensitive information. (CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2020-7238) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: libnetty-3.9-java 3.9.0.Final-1ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4600-1 CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2020-7238 Package Information: https://launchpad.net/ubuntu/+source/netty-3.9/3.9.0.Final-1ubuntu0.1