{"id":"CVE-2013-4287","aliases":["DEBIAN-CVE-2013-4287","EUVD-2022-3399","GHSA-9j7m-rjqx-48vh","MGASA-2013-0297","RHSA-2013:1427","RHSA-2013:1441","RHSA-2013:1523","RHSA-2013:1852","RHSA-2014:0207"],"status":"published","title":"RubyGems Regular Expression Denial of Service vulnerability","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.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03331,"percentile":0.8871,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-310","CWE-400"],"published":"2013-10-09T22:29:35Z","modified":"2026-09-01T20:03:17Z","fixes":[{"ecosystem":"RubyGems","package":"rubygems-update","fixed_in":["1.8.23.1","1.8.26","2.0.8","2.1.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"rubygems","fixed_in":["3.2.0~rc.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"rubygems","fixed_in":["3.2.0~rc.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"rubygems","fixed_in":["3.2.0~rc.1-1"],"sources":["osv"]},{"ecosystem":"Red Hat:rhel_software_collections:1::el6","package":"ruby193-ruby","fixed_in":["0:1.9.3.448-40.el6"],"sources":["osv"]},{"ecosystem":"Red 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Advisory","advisory","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1852.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1441.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0207.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4287","tags":["advisory"]},{"url":"https://github.com/rubygems/rubygems/commit/938a7e31ac73655845ab9045629ff3f580a125da","tags":["web"]},{"url":"https://github.com/rubygems/rubygems/commit/b697536f2455e8c8853cf5cf8a1017a36031ed67","tags":["web"]},{"url":"https://github.com/rubygems/rubygems/commit/b9baec03145aed684d1cd3c87dcac3cc06becd9b","tags":["web"]},{"url":"https://github.com/rubygems/rubygems/commit/ed733bc379d75620f5be4213f89d1d7b38be3191","tags":["web"]},{"url":"https://github.com/rubygems/rubygems/blob/03a074e8838683f45611b119fd8f363aa44fe2fd/CHANGELOG.md","tags":["web"]},{"url":"https://web.archive.org/web/20160806152839/https://puppet.com/security/cve/cve-2013-4287/"},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2013-4287.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9j7m-rjqx-48vh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-4287","tags":["advisory"]},{"url":"https://web.archive.org/web/20160806152839/https://puppet.com/security/cve/cve-2013-4287","tags":["web"]},{"url":"https://advisories.mageia.org/MGASA-2013-0297.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=11276","tags":["report"]},{"url":"http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/pipermail/package-announce/2013-September/115886.html","tags":["web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4287","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1427","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1002364","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1427.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4287","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4287","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1441","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=814718","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1441.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-2125","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-2125","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2125","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-2126","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-2126","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2126","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1523","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1523.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1852","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=995038","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=998561","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=998606","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1016263","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1852.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4404","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4404","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4404","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4405","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4405","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4405","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4414","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4414","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4414","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4461","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4461","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4461","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2014:0207","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0207.json","tags":["advisory"]}],"sources":{"cve":[{"id":"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.","status":"published","published":"2013-10-17T23:00:00Z","modified":"2024-08-06T16:38:01.871Z","updated_at":"2026-11-02T14:34:57.869657Z"}],"euvd":[{"id":"EUVD-2022-3399","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.","status":"published","published":"2013-10-17T23:00:00Z","modified":"2024-08-06T16:38:01Z","updated_at":"2026-11-03T01:56:32.187151Z"}],"ghsa":[{"id":"GHSA-9j7m-rjqx-48vh","title":"RubyGems Regular Expression Denial of Service vulnerability","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.","status":"published","published":"2022-05-14T01:08:27Z","modified":"2023-08-16T09:17:18Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:36:59.456342Z"}],"nvd":[{"id":"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.","status":"published","published":"2013-10-17T23:55:04.407Z","modified":"2026-06-16T23:56:57.593Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:40.988689Z"}],"osv":[{"id":"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.","status":"published","published":"2013-10-17T23:55:04Z","modified":"2026-04-16T06:24:17.271808537Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-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.","status":"published","published":"2013-10-17T23:55:04.407Z","modified":"2026-09-01T20:03:17.948928039Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"GHSA-9j7m-rjqx-48vh","title":"RubyGems Regular Expression Denial of Service vulnerability","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.","status":"published","published":"2022-05-14T01:08:27Z","modified":"2024-11-29T05:42:20.333898Z","cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:43.875515Z"},{"id":"MGASA-2013-0297","title":"Updated ruby-RubyGems package fixes security vulnerabilies","description":"Updated ruby-RubyGems package fixes security vulnerability:\n\nRubyGems validates versions with a regular expression that is vulnerable to\ndenial of service due to a backtracking regular expression.  For specially\ncrafted RubyGems versions attackers can cause denial of service through CPU\nconsumption (CVE-2013-4287, CVE-2013-4363).\n","status":"published","published":"2013-10-09T22:29:35Z","modified":"2026-04-16T06:22:21.105385228Z","updated_at":"2026-11-02T15:49:39.121227Z"},{"id":"RHSA-2013:1427","title":"Red Hat Security Advisory: ruby193-ruby security update","status":"published","published":"2024-09-13T08:26:27Z","modified":"2026-06-29T10:05:48Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2013:1441","title":"Red Hat Security Advisory: rubygems security update","status":"published","published":"2024-09-13T08:26:43Z","modified":"2026-06-29T10:05:49Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2013:1523","title":"Red Hat Security Advisory: ruby193-ruby security update","status":"published","published":"2024-09-13T08:26:57Z","modified":"2026-06-29T10:05:57Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2013:1852","title":"Red Hat Security Advisory: Red Hat Enterprise MRG Grid 2.4 security update","status":"published","published":"2024-09-13T08:27:44Z","modified":"2026-06-29T10:06:08Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2014:0207","title":"Red Hat Security Advisory: rubygems security update","status":"published","published":"2024-09-13T08:27:35Z","modified":"2026-06-29T10:06:25Z","updated_at":"2026-11-02T15:53:01.993625Z"}]}}