Log4shell is a critical vulnerability in the widely-used logging tool Log4j, which is used by millions of computers worldwide. This vulnerability can be exploited by hackers to take complete control over the system.
The Log4j tool is part of the Apache library so is potentially more likely to be running on Linux servers; however, as it is a Java vulnerability – with Java capable of running across multiple platforms – both Windows and Apple servers could all be equally as vulnerable as Linux ones.
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