{"id":"CVE-2013-4287","aliases":["GHSA-9j7m-rjqx-48vh"],"url":"https://o3.security/vulnerability/CVE-2013-4287","summary":"RubyGems Regular Expression Denial of Service vulnerability","details":"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.","published":"2013-10-17T23:55:04Z","modified":"2026-04-16T06:24:17.271808537Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"rubygems-update","fixedVersion":"1.8.23.1"},{"ecosystem":"RubyGems","name":"rubygems-update","fixedVersion":"1.8.26"},{"ecosystem":"RubyGems","name":"rubygems-update","fixedVersion":"2.0.8"},{"ecosystem":"RubyGems","name":"rubygems-update","fixedVersion":"2.1.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-1427.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-1441.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-1523.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-1852.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2014-0207.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/55381"},{"type":"FIX","url":"http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2013/09/10/1"},{"type":"WEB","url":"https://puppet.com/security/cve/cve-2013-4287"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-16T06:24:17.271808537Z"}}