CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.17-7ubuntu1+esm1", "binary_name": "liblog4j1.2-java" }, { "binary_version": "1.2.17-7ubuntu1+esm1", "binary_name": "liblog4j1.2-java-doc" } ] }