CVE-2013-4363

    Dashboard / Vulnerabilities / CVE-2013-4363

    CVE-2013-4363

    Published: 17 Oct 2013Last Modified: 16 Apr 2026

    Summary:

    Details: Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression. NOTE: this issue is due to an incomplete fix for CVE-2013-4287.

    References: http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html, http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html, http://www.openwall.com/lists/oss-security/2013/09/14/3, http://www.openwall.com/lists/oss-security/2013/09/18/8, http://www.openwall.com/lists/oss-security/2013/09/20/1, https://puppet.com/security/cve/cve-2013-4363

    Affected packages

    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-2013-4363 | CVE-DB