cve/2017/CVE-2017-6181.md

### [CVE-2017-6181](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6181)
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### Description

The parse_char_class function in regparse.c in the Onigmo (aka Oniguruma-mod) regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted regular expression.

### POC

#### Reference
- https://bugs.ruby-lang.org/issues/13234

#### Github
No PoCs found on GitHub currently.