openjdk-7: Open Source Java implementation Details: USN-2319-1 fixed vulnerabilities in OpenJDK 7. Due to an upstream regression, verifying of the init method call would fail when it was done from inside a branch when stack frames are activated. This update fixes the problem. We apologize for the inconvenience. Original advisory USN-2319-1 introduced a regression in OpenJDK 7.
ruby1.9.1: Object-oriented scripting language - ruby2.0: Object-oriented scripting language Details: USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due to an incomplete patch for CVE-2018-1000074. This update reverts the problematic patch pending further investigation. We apologize for the inconvenience. Original advisory USN-3621-1 caused a regression in Ruby.
poppler: PDF rendering library Details: USN-3837-1 fixed vulnerabilities in poppler. A regression was reported regarding the previous update. This update fixes the problem. We apologize for the inconvenience. Original advisory USN-3837-1 introduced a regression in poppler.
software-properties: manage the repositories that you install software from Software Properties could be tricked into installing arbitrary PPA GPG keys.