# Json 1.4.2 - Fixes a memory leak in versions 1.4.0 and 1.41, please upgrade

**URL:** <https://www.ruby-forum.com/t/json-1-4-2-fixes-a-memory-leak-in-versions-1-4-0-and-1-41-please-upgrade/187701>\
**Category:** Ruby\
**Created:** [April 28, 2010, 1:34am UTC](https://www.ruby-forum.com/t/json-1-4-2-fixes-a-memory-leak-in-versions-1-4-0-and-1-41-please-upgrade/187701 "2010-04-28T01:34:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Florian\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/f/4da419/32.png) [@Florian\_F](https://www.ruby-forum.com/u/Florian_F)\
**Post date:** [April 28, 2010, 1:34am UTC](https://www.ruby-forum.com/t/json-1-4-2-fixes-a-memory-leak-in-versions-1-4-0-and-1-41-please-upgrade/187701/1 "2010-04-28T01:34:42Z")

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There was a memory leak in the two previous versions that is triggered  
by calling the JSON#generate method and friends. If you use the affected  
versions, please upgrade to the newest version, 1.4.2.

The new version can be downloaded from these URLs:

[http://rubygems.org/gems/json/versions/1.4.2](http://rubygems.org/gems/json/versions/1.4.2)

> **[GitHub - flori/json at v1.4.2](https://github.com/flori/json/tree/v1.4.2)**
>
> v1.4.2

[http://www.ping.de/~flori/](http://www.ping.de/~flori/)

Thanks to Dustin S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) for reporting the  
problem.

Regards,  
Florian F.