Apache Log4j Mitigation Summary Attackers are exploiting a vulnerability in the Log4j logging platform on systems running Apache software that is written in Java and utilizes the log4j library.

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 ...

A single flaw in Apache Log4j spiraled into one of the most dangerous exploits ever found. Experts warned it could have taken ...

A critical vulnerability has been discovered in Apache Log4j 2, an open source Java package used to enable logging in many popular applications, and it can be exploited to enable remote code ...

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.

A group of developers and maintainers scrambled to secure the Log4j vulnerability over the weekend, but there is still a lot of work to do to clean up the mess.

What is Apache Log4j? The vulnerability, known as Log4j, comes from a popular open source product that helps software developers track changes in applications that they build.

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.