Wachy is a new Linux performance debugging tool that Rubrik recently released as open source. It enables interesting new ways of understanding performance by tracing arbitrary compiled binaries and functions with no code changes. This blog post briefly outlines various performance debugging tools that we commonly use, and the advantages and disadvantages of each. Then, we discuss why and how we built wachy.
In the early days of 2022, two extremely popular JavaScript open source packages, colors.js, and faker.js, were modified to the point of being unusable. The reason for this event can be traced to various motivations, but what is worth mentioning is that several applications that employed those dependencies were involved. The two impacted packages can be used for different purposes in JavaScript applications. colors.js enables color and style customization in the node.js console.
Very recently, the JFrog security research team has disclosed an issue in the H2 database console which was issued a critical CVE – CVE-2021-42392. This issue has the same root cause as the infamous Log4Shell vulnerability in Apache Log4j (JNDI remote class loading). H2 is a very popular open-source Java SQL database offering a lightweight in-memory solution that doesn’t require data to be stored on disk.
