News about a critical vulnerability in the Apache Log4j logging library broke last week when proof-of-concept exploits started to emerge on Thursday.

Substitute a non-vulnerable or empty implementation of the class org.apache.logging.log4j.core.lookup.JndiLookup, in a way that your classloader uses your replacement instead of the vulnerable ...

Log4j is open-source software from the Apache Software Foundation. As explained by The Conversation, this logging library is widely used to record events such as routine system operations and ...

A newly discovered zero-day vulnerability in the widely used Java logging library Apache Log4j is easy to exploit and enables attackers to gain full control of affected servers.

Attackers are actively exploiting a critical vulnerability in Apache Log4j, a logging library that’s used in potentially millions of Java-based applications, including web-based ones.

A vulnerability in the Log4j logging framework has security teams scrambling to put in a fix.

Apache said version 2.16 "does not always protect from infinite recursion in lookup evaluation" and explained that it is vulnerable to CVE-2021-45105, a denial of service vulnerability.

Learn more. A vulnerability in the open source Apache logging library Log4j sent system administrators and security professionals scrambling over the weekend.

Apache Software Foundation President David Nalley testifies to a Senate committee about the Log4j vulnerability. The discovery of easily exploitable weaknesses in Log4j, an open source piece of ...