SUSE alert SUSE-SU-2026:0254-1 (log4j)
| From: | OPENSUSE-SECURITY-UPDATES <null@suse.de> | |
| To: | security-announce@lists.opensuse.org | |
| Subject: | SUSE-SU-2026:0254-1: moderate: Security update for log4j | |
| Date: | Fri, 23 Jan 2026 08:32:43 -0000 | |
| Message-ID: | <176915716338.16846.6965128020427898853@smelt2.prg2.suse.org> | |
| Archive-link: | Article |
# Security update for log4j Announcement ID: SUSE-SU-2026:0254-1 Release Date: 2026-01-22T16:08:29Z Rating: moderate References: * bsc#1255427 Cross-References: * CVE-2025-68161 CVSS scores: * CVE-2025-68161 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N * CVE-2025-68161 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N * CVE-2025-68161 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X * CVE-2025-68161 ( NVD ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 An update that solves one vulnerability can now be installed. ## Description: 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. ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch openSUSE-SLE-15.6-2026-254=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-254=1 ## Package List: * openSUSE Leap 15.6 (noarch) * log4j-slf4j-2.20.0-150200.4.30.1 * log4j-jcl-2.20.0-150200.4.30.1 * log4j-2.20.0-150200.4.30.1 * log4j-javadoc-2.20.0-150200.4.30.1 * Basesystem Module 15-SP7 (noarch) * log4j-slf4j-2.20.0-150200.4.30.1 * log4j-jcl-2.20.0-150200.4.30.1 * log4j-2.20.0-150200.4.30.1 * log4j-javadoc-2.20.0-150200.4.30.1 ## References: * https://www.suse.com/security/cve/CVE-2025-68161.html * https://bugzilla.suse.com/show_bug.cgi?id=1255427
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