SUSE-SU-2026:0254-1
Vulnerability Summary
Timeline
Description
Security update for log4j This update for log4j fixes the following issues: Security fixes: - CVE-2025-68161: Fixed absent TLS hostname verification that may allow a man-in-the-middle attack (bsc#1255427) Other fixes: - Upgrade to 2.18.0 * Added + Add support for Jakarta Mail API in the SMTP appender. + Add support for custom Log4j 1.x levels. + Add support for adding and retrieving appenders in Log4j 1.x bridge. + Add support for custom LMAX disruptor WaitStrategy configuration. + Add support for Apache Extras' RollingFileAppender in Log4j 1.x bridge. + Add MutableThreadContextMapFilter. + Add support for 24 colors in highlighting * Changed + Improves ServiceLoader support on servlet containers. + Make the default disruptor WaitStrategy used by Async Loggers garbage-free. + Do not throw UnsupportedOperationException when JUL ApiLogger::setLevel is called. + Support Spring 2.6.x. + Move perf tests to log4j-core-its + Upgrade the Flume Appender to Flume 1.10.0 * Fixed + Fix minor typo #792. + Improve validation and reporting of configuration errors. + Allow enterprise id to be an OID fragment. + Fix problem with non-uppercase custom levels. + Avoid ClassCastException in JeroMqManager with custom LoggerContextFactory #791. + DirectWriteRolloverStrategy should use the current time when creating files. + Fixes the syslog appender in Log4j 1.x bridge, when used with a custom layout. + log4j-1.2-api 2.17.2 throws NullPointerException while removing appender with name as null. + Improve JsonTemplateLayout performance. + Fix resolution of non-Log4j properties. + Fixes Spring Boot logging system registration in a multi-application environment. + JAR file containing Log4j configuration isn’t closed. + Properties defined in configuration using a value attribute (as opposed to element) are read correctly. + Syslog appender lacks the SocketOptions setting. + Log4j 1.2 bridge should not wrap components unnecessarily. + Update 3rd party dependencies for 2.18.0. + SizeBasedTriggeringPolicy would fail to rename files properly when integer pattern contained a leading zero. + Fixes default SslConfiguration, when a custom keystore is used. + Fixes appender concurrency problems in Log4j 1.x bridge. + Fix and test for race condition in FileUtils.mkdir(). + LocalizedMessage logs misleading errors on the console. + Add missing message parameterization in RegexFilter. + Add the missing context stack to JsonLayout template. + HttpWatcher did not pass credentials when polling. + UrlConnectionFactory.createConnection now accepts an AuthorizationProvider as a parameter. + The DirectWriteRolloverStrategy was not detecting the correct index to use during startup. + Async Loggers were including the location information by default. + ClassArbiter’s newBuilder method referenced the wrong class. + Don’t use Paths.get() to avoid circular file systems. + Fix parsing error, when XInclude is disabled. + Fix LevelRangeFilterBuilder to align with log4j1’s behavior. + Fixes problem with wrong ANSI escape code for bright colors + Log4j 1.2 bridge should generate Log4j 2.x messages based on the parameter runtime type. - Update to 2.19.0 * Added + Add implementation of SLF4J2 fluent API. + Add support for SLF4J2 stack-valued MDC. * Changed + Add getExplicitLevel method to LoggerConfig. + Allow PropertySources to be added. + Allow Plugins to be injected with the LoggerContext reference. * Fixed + Add correct manifest entries for OSGi to log4j-jcl + Improve support for passwordless keystores. + SystemPropertyArbiter was assigning the value as the name. + Make JsonTemplateLayout stack trace truncation operate for each label block. + Fix recursion between Log4j 1.2 LogManager and Category. + Fix resolution of properties not starting with log4j2.. + Logger$PrivateConfig.filter(Level, Marker, String) was allocating empty varargs array. + Allows a space separated list of style specifiers in the %style pattern for consistency with %highlight. + Fix NPE in log4j-to-jul in the case the root logger level is null. + Fix RollingRandomAccessFileAppender with DirectWriteRolloverStrategy can’t create the first log file of different directory. + Generate new SSL certs for testing. + Fix ServiceLoaderUtil behavior in the presence of a SecurityManager. + Fix regression in Rfc5424Layout default values. + Harden InstantFormatter against delegate failures. + Add async support to Log4jServletFilter. * Removed + Removed build page in favor of a single build instructions file. + Remove SLF4J 1.8.x binding. - Update to 2.20.0 * Added + Add support for timezones in RollingFileAppender date pattern + Add LogEvent timestamp to ProducerRecord in KafkaAppender + Add PatternLayout support for abbreviating the name of all logger components except the 2 rightmost + Removes internal field that leaked into public API. + Add a LogBuilder#logAndGet() method to emulate the Logger#traceEntry method. * Changed + Simplify site generation + Switch the issue tracker from JIRA to GitHub Issues + Remove liquibase-log4j2 maven module + Fix order of stacktrace elements, that causes cache misses in ThrowableProxyHelper. + Switch from com.sun.mail to Eclipse Angus. + Add Log4j2 Core as default runtime dependency of the SLF4J2-to-Log4j2 API bridge. + Replace maven-changes-plugin with a custom changelog implementation + Moved log4j-api and log4j-core artifacts with classifier tests to log4j-api-test and log4j-core-test respectively. * Deprecated + Deprecate support for package scanning for plugins * Fixed + Copy programmatically supplied location even if includeLocation='false'. + Eliminate status logger warning, when disableAnsi or noConsoleNoAnsi is used the style and highlight patterns. + Fix detection of location requirements in RewriteAppender. + Replace regex with manual code to escape characters in Rfc5424Layout. + Fix java.sql.Time object formatting in MapMessage + Fix previous fire time computation in CronTriggeringPolicy + Correct default to not include location for AsyncRootLoggers + Make StatusConsoleListener use SimpleLogger internally. + Lazily evaluate the level of a SLF4J LogEventBuilder + Fixes priority of Legacy system properties, which are now back to having higher priority than Environment variables. + Protects ServiceLoaderUtil from unchecked ServiceLoader exceptions. + Fix Configurator#setLevel for internal classes + Fix level propagation in Log4jBridgeHandler + Disable OsgiServiceLocator if not running in OSGI container. + When using a Date Lookup in the file pattern the current time should be used. + Fixed LogBuilder filtering in the presence of global filters.
Affected Systems
- opensuse•log4j&distro=openSUSE Leap 15.6
< 2.20.0-150200.4.30.1
- suse•log4j&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7
< 2.20.0-150200.4.30.1