CVE-2017-6181

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CVSS 3.0

7.5 high

EPSS

4%p89

Published

Apr 3, 2017 (Apr 3, 2017)

Modified

Jun 17, 2026

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.

Vendors: ruby-lang
Products: ruby
Weakness: CWE-20
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (3.6%)

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