CVE-2017-6181

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    CVE-2017-6181

    Published: 3 Apr 2017Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: http://www.securityfocus.com/bid/97304, https://bugs.ruby-lang.org/issues/13234, https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- d4bb726b713658f56e630b6cf817a0155b6f390e
    Fixed -None

    Affected versions

    2.4.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2017-6181 | CVE-DB