CVE-2017-6181

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.

• CWE-20

• http://www.securityfocus.com/bid/97304Third Party Advisory, VDB Entry
• https://bugs.ruby-lang.org/issues/13234Issue Tracking, Vendor Advisory
• https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660Issue Tracking, Vendor Advisory
• http://www.securityfocus.com/bid/97304Third Party Advisory, VDB Entry
• https://bugs.ruby-lang.org/issues/13234Issue Tracking, Vendor Advisory
• https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660Issue Tracking, Vendor Advisory

Published

Apr 3, 2017

Last Modified

Jun 17, 2026

Status

Modified

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