Apache Log4j Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases. The project is …

Apache Log4j 2 is the successor of Log4j 1 which was released as GA version in July 2015. The framework was rewritten from scratch and has been inspired by existing logging solutions, including …

The Log4J vulnerability, also known as Log4Shell, is a critical vulnerability discovered in the Apache Log4J logging library in November 2021.

Feb 18, 2025 · The Log4j vulnerability is a software vulnerability in some versions of the Apache Log4j framework. Here's what to know about it and how to fix it.

May 8, 2026 · API for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports …

Apr 28, 2025 · log4j is a Java-based logging utility. It is used to output log statements from applications to various output targets. log4j is designed to be flexible and extensible, allowing developers to …

Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases. For further …

Apr 8, 2022 · CISA and its partners issued this guidance to inform organizations about vulnerabilities within the log4j services, websites, applications and products. CISA strongly encourages …

Dec 22, 2021 · Log4j is everywhere One of the major concerns about Log4Shell is Log4j’s position in the software ecosystem. Logging is a fundamental feature of most software, which makes Log4j very …

log4j is a reliable, fast and flexible logging framework (APIs) written in Java, which is distributed under the Apache Software License. log4j is a popular logging package written in Java.