log4j

log4j Garbage Free Log4j 2 is garbage free for stand alone applications and low garbage for web applications during steady state logging This reduces pressure on the garbage collector and can give better response time performance

Log4j 2 3 2 was the last 2 x release to support Java 6 The Log4j team no longer provides support for Java 6 or 7 All previous releases of Apache log4j can be found in the ASF archive repository Published December 22 2021 8 12am EST Log4Shell an internet vulnerability that affects millions of computers involves an obscure but nearly ubiquitous piece of software Log4j The software

log4j

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Log4j 2 contains next generation Asynchronous Loggers based on the LMAX Disruptor library In multi threaded scenarios Asynchronous Loggers have 18 times higher throughput and orders of magnitude lower latency than Log4j 1 x and Logback See Asynchronous Logging Performance for details Apache Log4j is a Java based logging utility originally written by Ceki G lc It is part of the Apache Logging Services a project of the Apache Software Foundation Log4j is one of several Java logging frameworks

The Log4j vulnerability also known as Log4Shell is a critical vulnerability discovered in the Apache Log4j logging library in November 2021 Log4Shell essentially grants hackers total control of devices running unpatched versions of Log4j Updated December 28 2021 Organizations are urged to upgrade to Log4j 2 17 1 Java 8 2 12 4 Java 7 and 2 3 2 Java 6 and review and monitor the Apache Log4j Security Vulnerabilities webpage for updates and mitigation guidance

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Last week a vulnerability was found in Log4j an open source logging library commonly used by apps and services across the internet If left unfixed attackers can break into systems steal Log4j is a Java based logging library used in a variety of consumer and enterprise services websites applications and OT products These vulnerabilities especially Log4Shell are severe Apache has rated Log4Shell and CVE 2021 45046 as critical and CVE 2021 45105 as high on the Common Vulnerability Scoring System

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