CVE-2013-4287

mediumpriority · track · 18EPSS 0.033 · 89 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.33% (89th) EPSS

CVSS 4.3 · medium

Is it mine?

47 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.03.7lowAV:N/AC:M/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-310USprimaryCWE-400US

affected products (47)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
redhat enterprise linux= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
ruby-lang ruby= 1.9nvdUScpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-lang ruby= 1.9.1nvdUScpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-lang ruby= 1.9.2nvdUScpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-lang ruby= 1.9.3nvdUScpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-lang ruby= 2.0nvdUScpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-lang ruby= 2.0.0nvdUScpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
rubygems rubygems≤ 1.8.23nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.0nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.1nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.10nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.11nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.12nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.13nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.14nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.15nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.16nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.17nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
rubygems rubygems= 1.8.18nvdUScpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*

showing 20 of 47

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-9j7m-rjqx-48vhRubyGems Regular Expression Denial of Service vulnerability2022-05-14ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2013-10-17modified 2026-06-16

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references (27)

External citations — patches, advisories, analysis.

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