# Determine Ruby Version in Images (regular expression cve(

**URL:** <https://meta.discourse.org/t/determine-ruby-version-in-images-regular-expression-cve/416212>\
**Category:** Product Support\
**Tags:** docker\
**Created:** [October 30, 2026, 7:07pm UTC](https://meta.discourse.org/t/determine-ruby-version-in-images-regular-expression-cve/416212 "2026-10-30T19:07:35Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![merefield](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/merefield/32/176214_2.png) [@merefield](https://meta.discourse.org/u/merefield)\
**Post date:** [October 30, 2026, 7:19pm UTC](https://meta.discourse.org/t/determine-ruby-version-in-images-regular-expression-cve/416212/2 "2026-10-30T19:19:54Z")

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From the Dockerfile in discourse\_docker, e.g.:

> <https://github.com/discourse/discourse_docker/blob/main/image/base/Dockerfile?utm_source=chatgpt.com>

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_[View the full topic](https://meta.discourse.org/t/determine-ruby-version-in-images-regular-expression-cve/416212)._