# How to update log4j jar in logstash installed in ubuntu VM **URL:** \ **Category:** Logstash\ **Created:** [December 14, 2021, 3:55pm UTC](https://discuss.elastic.co/t/how-to-update-log4j-jar-in-logstash-installed-in-ubuntu-vm/291830 "2021-12-14T15:55:15Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![ahmed\_charafouddine](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ahmed_charafouddine/32/45129_2.png) [@ahmed\_charafouddine](https://discuss.elastic.co/u/ahmed_charafouddine)\ **Post date:** [December 14, 2021, 3:57pm UTC](https://discuss.elastic.co/t/how-to-update-log4j-jar-in-logstash-installed-in-ubuntu-vm/291830/2 "2021-12-14T15:57:17Z")
> [@Apache Log4j2 Remote Code Execution (RCE) Vulnerability - CVE-2021-44228 - ESA-2021-31](https://discuss.elastic.co/t/apache-log4j2-remote-code-execution-rce-vulnerability-cve-2021-44228-esa-2021-31/291476): > > Subject: Apache Log4j2 Vulnerability - CVE-2021-44228, CVE-2021-45046, CVE-2021-45105, CVE-2021-44832 - ESA-2021-31 ​​Note - We will update this announcement with new details as they emerge from our analysis. Please check back periodically. Update Log Dec 16, 2021 - 04:20 UTC - Update Summary: ECK 1.9 released which automatically adds the JVM option to impacted Elasticsearch clusters managed by ECK. Dec 17, 2021 - 23:50 UTC - Update latest release of APM Java Agent to 1.28.2. Statement of pl… --- _[View the full topic](https://discuss.elastic.co/t/how-to-update-log4j-jar-in-logstash-installed-in-ubuntu-vm/291830)._