The Log4j API supports lambda expressions.The Log4j API supports logging Messages instead of just Strings.The Log4j API has several advantages over SLF4J: In front of other logging implementations such as Logback. The Log4j API is a logging facade that may, of course, be used with the Log4j implementation, but may also be used This allows the Log4j team to improve the implementation Methods they can use while ensuring forward compatibility. The API for Log4j is separate from the implementation making it clear for application developers which classes and Please refer to the Security page for details and mitigation measures for these security issues. Please refer to the Security page for details and mitigation measures for older Upgrade to Log4j 2.3.2 (for Java 6), 2.12.4 (for Java 7), or 2.17.1 (for Java 8 and later) Reference This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, DetailsĪpache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable toĪ remote code execution (RCE) attack where an attacker with permission to modify the logging configuration file canĬonstruct a malicious configuration using a JDBC Appender with a data source referencing a JNDI URI which can execute Summary: Apache Log4j2 vulnerable to RCE via JDBC Appender when attacker controls configuration.
Important: Security Vulnerability CVE-2021-44832 Provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture. Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and
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