Log4j versions history Note: patching or updating Java is not enough, you must upgrade the Log4j library itself. 4) are vulnerable to a remote code execution (RCE) attack where an attacker with permission to modify the logging configuration file can construct a malicious configuration using a JDBC Appender with a data source referencing a JNDI URI which can execute remote code. 3 and add log4j-bom dependency; which recent versions of Excel treat as corrupted. [2] [3] The vulnerability had existed unnoticed since 2013 and was privately disclosed to the Apache Software Foundation, of which Log4j is a project, by Chen Zhaojun of Alibaba Cloud's security team on 24 November 2021. 4 - 2. 0 for Java 8 and up,” it wrote. 0, released on 13 December. logging. […] Jan 7, 2025 · All versions of Log4j prior to version 2. x; Configuration via property files is not supported. The main differences [14] [15] from Log4j 1 are: Improved reliability. gz 4. May 5, 2025 · History of Changes. In this tutorial, we’ll learn about Log4j and how to configure the core Log4j components using the log4j. Support for the XML layout was dropped. x configuration files. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor. Significant versions include: Version 1. 2, 2. 1, known as "Log4Shell. Security vulnerabilities are scored using CVSS version 3. Upgrade log4j-api dependency to 2. getLevel(). 0, this behavior has been disabled by default. 0-beta9 through 2. 36 and all newer releases are reproducible. May 14, 2025 · This article lists the Horizon View build numbers and versions: Interoperability details: Omnissa Interoperability Matrix End of life details: Omnissa Product Lifecycle Matrix May 11, 2024 · Log4j is distributed under the open-source Apache Software License. Log4Shell, Common Vulnerability and Exposure (CVE) identifier, CVE-2021-44228, is a remote code execution (RCE) vulnerability present in some versions of Log4J. Build 7007 (November 2021) Enhancement. Major version upgrades (e. x and later. Are you looking for old versions of Log4j? While we recommend always using the latest version, you can find the older versions here: Log4j 1. Labeled CVE-2021-45105, the newest security hole is a Denial-of-Service vulnerability with a CVSS score of 7. 0. Documentation. Used in combination, you can find where risky versions of Log4j exist, which versions you have and get a report on the vulnerabilities. Dec 19, 2021 · In our advisory post, we identify several mitigations that are effective on versions of Elasticsearch and Logstash even when using a vulnerable version of Log4j. Log4J 2. Log4j 1. 35 slf4j-log4j12 module is replaced by slf4j-reload4j. 0 Log4j 2 also provides experimental support for Log4j 1. Jul 24, 2024 · Check the current Log4j version on your system to verify if it is an old Log4j version. In 2014, Log4j 2. Yes, New Relic strongly recommends updating at this time to address critical vulnerabilities in log4j subdependencies identified in the Containerized Private Minion build package. Aug 26, 2023 · If you find that your application is using a vulnerable version of log4j, you should update to the latest version (at least 2. Dec 21, 2021 · Log4j version 2. 4 Logging API and Apache log4j (2003) by Samudra Gupta Apache Log4j versions. As of July 2024, Sonatype found that 13 percent of developers downloaded vulnerable versions of Log4j. 0-beta7 through 2. 2. 24. CISA encourages users and administrators to review the Apache Log4j 2. The Log4j 2 User's Guide is available on this site. Oracle conducts an analysis of each security vulnerability addressed by a Security Alert. That said, the Log4j vulnerability is still an active threat. x reached the end of life on August 5, 2015. 1 and earlier. 21 also fully mitigate CVE-2021-44228 and CVE-2021-45046. 8, except that several key methods have been deprecated in preparation for version 1. Treasury Bureau of the Fiscal Service (Fiscal Service) Over the Counter Division (OTCD) has updated the Over-the-Counter Channel Application (OTCnet) OTCnet Local Bridge (OLB) to version 2. Apache Foundation has issued a recommendation to deprecate all use of log4j version 1. According to Sonatype’s published monthly download data, as recently as July 2024, 13% of all developers using Log4j were still downloading a vulnerable library version, all of them vulnerable to Log4Shell attacks. 16 which addresses an additional Apache Log4j vulnerability (CVE-2021-45046). Discover comprehensive release and support details for Log4J by Apache — including versions, patches, LTS, and maintenance insights — to enhance your enterprise’s release, patch and end of lifecycle management for a secure and compliant IT environment. Upgrade the Log4j dependency to a non-vulnerable version # Upgrade the Log4j dependency in the dependencies block of the build scripts for each subproject or in your version catalog in the case you are using central declaration of dependencies. The changes include: A faster default ThreadContextMap. Elasticsearch and Logstash versions 7. Log4Shell and its related flaws are only present in “Log4j-core” files, which provide the core functionality of Log4j. Log4j API provides the most feature-rich logging facade in the market; support for various Message types (such as Object or Map ) besides plain String , lambda expressions, parameterized logging, markers Nov 9, 2024 · Apache Commons Logging users are encouraged to upgrade commons-logging to version 1. Jan 31, 2023 · The U. 6. See Log4j 2 Compatibility with Log4j 1 for more information. log4j\log4j-core\pom. In this post we explain the history of this vulnerability, how it was introduced, how Cloudflare is protecting our clients. This is release is a maintenance release containing these issues: log4j 1. log4j</groupId> <artifactId>log4j</artifactId> <version>2. As of Log4j 2. See the Apache Log4j Security Vulnerabilities webpage (as of December 22, 2021, the latest Log4j version is 2. VBScript is now supported for alert script execution. x was released, marking a significant milestone in the framework's history. 1 and 6. 17 to fix yet another issue in the beleaguered open source logging framework. 0 (along with 2. Note that subsequent to the release of Log4j 2. Due to a break in compatibility in the SLF4J binding, Log4j now ships with two versions of the SLF4J to Log4j adapters. Dec 14, 2021 · The Apache Software Foundation project Apache Logging Services has responded to a security vulnerability that is described in two CVEs, CVE-2021-44228 and CVE-2021-45046. 0 version of Log4j API has been enhanced with changes from the 3. “Apache Log4j2 versions 2. 17 release preparation Fixes 49470. Always verify the Log4j version in your systems as part of your Log4j vulnerability fix version strategy. 17. 0 May 28, 2012 · The Apache Logging team is pleased to announce the Apache log4j 1. It also introduced support for Java 8 lambdas, custom log levels, and a more flexible configuration system. 3: Updates the version of Log4j used in OpenSearch to Log4j 2. 1. 2 and 2. 13. Apache log4j 2 is widely used in many popular software applications, such as Apache Struts, ElasticSearch, Redis, Kafka and others. 4 is the latest release of Log4j and contains several bug fixes that were found after the release of Log4j 2. 6, and gson in Anomaly Detection and SQL. 16. Review your application’s dependencies and update the log4j JAR files accordingly. Developers using Log4j 2 should ensure that they are incorporating the latest version of Log4j into their applications as soon as possible to . Users are encouraged to upgrade to Dec 23, 2021 · B. From version 2. 4. 8. Dec 12, 2021 · As many Java-based applications can leverage Log4j 2 directly or indirectly, organizations should contact application vendors or ensure their Java applications are running the latest up-to-date version. The flaw affects Apache Log4J 2, versions 2. 3 for Java 7). As the installed base grew we realized there was a need of a more professional way of handling the SoapUI tool as well as its users. 1 (see Oracle CVSS Scoring for an explanation of how Oracle applies CVSS version 3. Fixes LOG4J2-579. Look for the dependency for Version details can be found in the manual. Detailed list of versions with known security vulnerabilities, CVEs. 0 (inclusive) are vulnerable. mattsicker: Rework Level comparison APIs. 1 can be downloaded here. These changes are intended to enforce the rule that client code should never refer to the Category class directly, but use the Logger class instead. Log4j is widely used in Java applications for recording various events and information during program execution. 3, and 2. This version brought major performance improvements, thanks to its asynchronous logging capabilities. 0-alpha1 Pro Apache Log4j (2014) by Samudra Gupta: Log4J (2009) by J. In the Log4j 1 lifecycle, there have been 21 Log4j 1 releases; the last one being in 2012. Mitigation instructions from Apache for these Log4J vulnerabilities have evolved over time. Log4j is a logging system where the API (called Log4j API) and its implementation (called Log4j Core) is distinctly separate from each other. Updates Performance Analyzer, SQL, and Security plugins to Log4j 2. For further information (support, download, etc. Patch Log4j and other affected products to the latest version. Notwithstanding the security risks associated with Log4j 1. 5 and is rated as High by Apache. 22 December 2021: 1. Log4j versions 2. Log4j version 1. The framework was rewritten from scratch and has been inspired by existing logging solutions, including Log4j 1 and java. See LOG4J2-2975 and SLF4J-511. 0 (excluding security fix releases 2. 2 are supposed to fix both vulnerabilities. 4) Log4Shell (CVE-2021-44228) is a zero-day vulnerability reported in November 2021 in Log4j, a popular Java logging framework, involving arbitrary code execution. 0-beta-9 and 2. Fixes LOG4J2-595. Logger. Apr 8, 2022 · CISA and its partners, through the Joint Cyber Defense Collaborative, are responding to active, widespread exploitation of a critical remote code execution (RCE) vulnerability (CVE-2021-44228) in Apache’s Log4j software library, versions 2. ggregory: Add org. 0 that allows an attacker with permissions to modify the logging configuration file to execute code arbitrarily. x) can be expensive for developers because of the difficulty in maintaining backwards compatibility (even though 65 percent of open-source library updates are minor version changes or smaller and May 21, 2025 · determines if a JAR file contains a vulnerable Log4j file by examining JAR files and searching for the following file: \META-INF\maven\org. This is available in log4j-core. CVE-2021-45105. Dec 13, 2024 · Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. Check the POM File (for Maven projects): Open your pom. 7 release also contained the first version of ReadyAPI, developed as a result of the success the Open Source version had shown to be. Put another way, security teams must find and address any version of Log4j earlier than 2. I tried adding the following snippet <dependency> <groupId>org. See Download product page. 33 adds support for reload4j via the slf4j-reload4j module. x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture. 7 in January 2022, which addresses critical security vulnerabilities identified in the Apache Log4j logging package used by earlier versions of Dec 10, 2021 · On Aug. 5, 2015, log4j 2 became the mainstream version and all of the previous version log4j users were recommended to upgrade to log4j 2. xml file. 0 or apply the recommended mitigations immediately. Log4j version 2. 0, the next major release of log4j. 0 was released Dec. x to 2. Log4j API provides the most feature-rich logging facade in the market; support for various Message types (such as Object or Map ) besides plain String , lambda expressions, parameterized logging, markers Oct 16, 2005 · In addition to the Mocking functionality the SoapUI 1. 0 -- is Apache Log4j 2 is not compatible with the previous versions. Every entity that uses Log 4j must immediately upgrade to the latest Apache library version - 2. Fixes LOG4J2 Apache Log4j, a Java-based logging utility created by Ceki Gülcü, is part of the Apache Logging Services project under the Apache Software Foundation. x, May 29, 2023 · I can see their current versions and that it is not updated in the shell view here. 1). Steven Perry: Pro Apache Log4j (2005) by Samudra Gupta: The Complete Log4j Manual: The Reliable, Fast and Flexible Logging Framework for Java (2003) by Ceki Gulcu: Logging in Java with the JDK 1. The list of fixes can be found in the latest changes report . 2 was released as an emergency release (to fix CVE-2021-45046 and CVE-2021-44228) and is the last 2. Fixes LOG4J2-564. 2-api module of Log4j 2 provides compatibility for applications using the Log4j 1 logging methods. Today, Apache Log4j disclosed yet another vulnerability. The 2. Dec 10, 2021 · From log4j 2. 0 Announcement and upgrade to Log4j 2. ) see the project website . 1) immediately. Due to a break in compatibility in the SLF4J binding, Log4j now ships with two versions of the SLF4J to Log4j adapters. CVE-2021-45105 -- which is patched in Log4j 2. 3. 18 January 2022: 1. 17 is vulnerable to Log4Shell or a related flaw. x (End of Life, Java 1. 0-beta9 to 2. How to Fix Log4j Vulnerability in Linux. mattsicker: Renamed SLF4J logger class to Log4jLogger. 1</version> </dependency> but didn't seem to work. Log4j 2. This time, it’s CVE-2021-44832, a vulnerability in Apache Log4j versions through 2. 1 was released today to address the issue. 12. 9, is identical to version 1. x, has raised serious security concerns and led many projects to migrate to newer versions [4]. 6 a minor source incompatibility with prior release was found due to the addition of new methods to the Logger Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases. It is the latest stable release. x version. It is patched in 2. x branch and will be used by both Log4j 2 Core and Log4j 3 Core releases. 0 or later and remove log4j-jcl. 0 and 2. 3. On Linux systems, follow these steps: Locate all vulnerable Log4j JAR files using find or similar Nov 19, 2024 · Here are some methods to check the version of Log4j in your project: 1. Dec 7, 2023 · This helps explain why such a large percentage of applications are running an end-of-life version of Log4j. x release to support Java 7. 0 as recommended by the advisory in CVE-2021-45105. Fixes Dec 15, 2021 · The Apache Software Foundation released Apache version 2. 0 was released on December 18 th in response to another Log4j vulnerability. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects. Please have the following in mind when upgrading to Log4j 2 in your project: Java 6 is required; The XML configuration has been simplified and is not compatible with Log4j 1. Dec 10, 2021 · Log4j is an open-source, Java-based logging utility widely used by enterprise applications and cloud services. S. x due to the project being out of support and having outstanding vulnerabilities to upgrade to Log4j-Core v2 to reduce security risks and maintain the stability of software systems. Apache Log4j 2 is the successor of Log4j 1 which was released as GA version in July 2015. Jan 27, 2022 · As Log4j 1. Apache Log4j version 2. Dec 13, 2021 · All versions of org. apache. log4j:log4j-core between 2. All custom plugins created before this should be re-built against the current log4j-core. The Log4j-1. It's one of several Java logging frameworks. As of today, there will be no further releases of the Log4j 1 code base. g. 0 for Java 8 and 2. properties file in Java. 0 and greater require Java 8 or above. properties; if the said file exists, the Log4j version is read and extracted Dec 16, 2024 · One of the reasons the vulnerability still exists is because developers are still downloading vulnerable versions of Log4j. 1), this functionality has been completely removed. A key vulnerability, CVE-2019-17571 in Log4j 1. In this post we’ll list the CVEs affecting Log4j and keep a list of frequently asked questions. x, as legacy versions remain inherently vulnerable. Configure from an InputStream Fixes 52913. 15. 1. util. Apache Log4j2 versions 2. 14. 1, Alerting and Job Scheduler to cron-utils 9. 0 as incomplete under certain non-default configurations. Version 1. log4j-slf4j-impl should be used with SLF4J 1. Log4j 1 is no longer supported, and as a result, its vulnerabilities will not be addressed with future Aug 6, 2015 · Over the years the project has released several versions of the initial Log4j codebase, and is now actively developing and maintaining version 2. The following table shows the history of all Spring framework versions till date (note that only major verions are listed): Due to the recent Apache Log4j vulnerability (CVE-2021-44228), we have updated the Apache’s Log4j (used in ADAudit Plus in the bundled dependency) to the latest unaffected version in this release. Extract the Log4j files to a temporary directory using the following command: tar -xzf log4j-<version>. Despite these versions providing full protection against all known CVEs An English text version of the risk matrices provided in this document is here. The Log4j vulnerability also remains one of the most attempted outbound and inbound vulnerability exploitations, as observed by Cato Networks. Then, download the latest version of Log4j from the official website and choose the correct version for your system architecture. Apache Log4j 3 is an upgrade to Log4j 2 and Log4j that provides significant improvements over its predecessor, Log4j 1. Configuration via JSON or YAML is supported. 7. x reached its end of life in August 2015, there is no patch update for the flaw, and users are being directed to update to the latest Log4j 2. Requirements Dec 10, 2021 · It is CVE-2021-44228 and affects version 2 of Log4j between versions 2. 15 and later, and all versions of Apache Log4J 1, are unaffected. tar. Maven Setup Log4j is a logging system where the API (called Log4j API) and its implementation (called Log4j Core) is distinctly separate from each other. 2) require Java 7 or above. " Log4j is very broadly used in a variety of consumer and May 14, 2025 · The best approach is to upgrade to Log4j 2. May 25, 2016 · Bearing in mind the Log4j 2 Security Vulnerability CVE-2021-45105: On Linux and macOS you can use Syft to generate a software bill of materials (SBOM) and Grype to scan for vulnerabilities. Log4j API provides the most feature-rich logging facade in the market; support for various Message types (such as Object or Map ) besides plain String , lambda expressions, parameterized logging, markers On 2021-12-14 an additional denial of service vulnerability (CVE-2021-45046) was published rendering the initial mitigations and fix in version 2. The most recent CVE has been addressed in Apache Log4j 2. Mar 1, 2025 · The only supported Java version is Java 8 and above. log4j. 17 release! Apache log4j is a wellknown framework for logging application behaviour. 0 are potentially impacted by the Log4j exploit. Aug 31, 2023 · Every version of Log4j 2 from 2. SLF4J-2. 2. Therefore, as of today, Log4j2 is the latest upgrade to Log4j. Log4j (2. 0 alpha releases are not fully supported. x and earlier and log4j-slf4j18-impl should be used with SLF4J 1. java log4j version history技术、学习、经验文章掘金开发者社区搜索结果。掘金是一个帮助开发者成长的社区，java log4j version history技术文章由稀土上聚集的技术大牛和极客共同编辑为你筛选出最优质的干货，用户每天都可以在这里找到技术世界的头条内容，我们相信你也可以在这里有所收获。 May 15, 2025 · Spring framework version history The Spring framework has been around for more than two decades, evolving in parallel with versions of Java . Jan 7, 2022 · “The Log4j team has been made aware of a security vulnerability, CVE-2021-45105, that has been addressed in Log4j 2. It's known for its flexibility and configurability, allowing developers to control Description. nde tbqhf jllbxy kljf uwlada azxjxza dkluyhg pgpu lffc mroj