{"api_version":"1","generated_at":"2026-07-23T08:34:23+00:00","cve":"CVE-2013-4287","urls":{"html":"https://cve.report/CVE-2013-4287","api":"https://cve.report/api/cve/CVE-2013-4287.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2013-4287","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-4287"},"summary":{"title":"CVE-2013-4287","description":"Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, 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.","state":"PUBLISHED","assigner":"redhat","published_at":"2013-10-17 23:55:04","updated_at":"2026-04-29 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20130909 CVE-2013-4287 Algorithmic complexity vulnerability in RubyGems 2.0.7 and 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