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About: Log4j     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : umbel-rc:SoftwareObject, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingsoftwareschema:CreativeWorkworkwikidata:Q386724Softwareyago:WikicatLogFileFormatsyago:Abstraction100002137yago:Code106355894yago:CodingSystem106353757yago:Communication100033020yago:Format106636806yago:Information106634376yago:Message106598915yago:Writing106359877yago:WrittenCommunication106349220yago:Software106566077umbel-rc:SoftwareObject New Facet based on Instances of this Class

Apache Log4j is a Java-based logging utility originally written by Ceki Gülcü. It is part of the , a project of the Apache Software Foundation. Log4j is one of several Java logging frameworks. Gülcü has since created SLF4J, Reload4j, and Logback which are alternatives to Log4j. On December 9, 2021, a zero-day vulnerability involving arbitrary code execution in Log4j 2 was published by the Alibaba Cloud Security Team and given the descriptor "Log4Shell". It has been characterized by Tenable as "the single biggest, most critical vulnerability of the last decade".