Project: mule
Issue MULE-9160: Upgrade to Log4j latest version
https://issues.apache.org/jira/browse/LOG4J2-998 figures as already fixed in 2.3 and 2.5 is already out. Mule is currently using 2.1 This may allow to get rid to some custom hacks currently being done in Mule side.
Story points: 5