with Thread Context Map patterns (%X, %mdc ... They noted that only the Log4j-core JAR file is impacted by CVE-2021-45105. On Friday, security researchers online began tweeting about potential ...

or a Thread Context Map pattern (%X, %mdc, or %MDC). "Log4j 2.16.0 fixes this issue by removing support for message lookup patterns and disabling JNDI functionality by default," states the NVD ...

Yesterday, BleepingComputer summed up all the log4j and logback CVEs known thus ... "When the logging configuration uses a non-default Pattern Layout with a Context Lookup (for example ...