Logging library for millions of apps has a serious vulnerability

A vulnerability called Log4Shell found in open-source logging library Log4j leaves millions of devices vulnerable to attacks. As The Verge notes, apps and services keep a record of all the events that happen while they're running, giving them a way to analyze how their program is performing and to figure out what went wrong in case of errors. Log4j happens to be a popular and widely used logging library, and even popular cloud services like Steam and iCloud, as well as apps like Amazon, Twitter ...