# Log4j2 issue

**URL:** <https://discuss.elastic.co/t/log4j2-issue/291776>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-security\
**Created:** [December 14, 2021, 10:20am UTC](https://discuss.elastic.co/t/log4j2-issue/291776 "2021-12-14T10:20:23Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![umangpatel](https://avatars.discourse-cdn.com/v4/letter/u/3bc359/32.png) [@umangpatel](https://discuss.elastic.co/u/umangpatel)\
**Post date:** [December 14, 2021, 10:20am UTC](https://discuss.elastic.co/t/log4j2-issue/291776/1 "2021-12-14T10:20:23Z")

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I have this mentioned 2 jar file...  
1.)log4j-1.2.17.jar  
2.)apache-log4j-extras-1.2.17.jar

does this 2 jar affect any vulnerability? and yes so what changes required from our end please suggest.

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**Author:** ![A\_hmad\_Hammad](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/a_hmad_hammad/32/99882_2.png) [@A\_hmad\_Hammad](https://discuss.elastic.co/u/A_hmad_Hammad)\
**Post date:** [January 5, 2022, 2:26pm UTC](https://discuss.elastic.co/t/log4j2-issue/291776/2 "2022-01-05T14:26:49Z")

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Dears,  
Are there any vulnerability issues in log4j-1.2.17.jar ?

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**Author:** ![leandrojmp](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/leandrojmp/32/107231_2.png) [@leandrojmp](https://discuss.elastic.co/u/leandrojmp)\
**Post date:** [January 5, 2022, 2:33pm UTC](https://discuss.elastic.co/t/log4j2-issue/291776/3 "2022-01-05T14:33:31Z")

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Please read the [security announcetment](https://discuss.elastic.co/t/apache-log4j2-remote-code-execution-rce-vulnerability-cve-2021-44228-esa-2021-31/291476/4) that is pinned in the first page of the forum, everything about the log4j vulnerabilities affecting the stack or not and the ways to mitigates are listed in the topic.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 2, 2022, 2:34pm UTC](https://discuss.elastic.co/t/log4j2-issue/291776/4 "2022-02-02T14:34:21Z")

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