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Rubygems

rubygems

Vendor: Rubygems • 25 CVEs

CVEs (25)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
4Oracle
RedhatRuby Lang+1 more
4Enterprise Linux
RubyRubygems+1 more
May 6, 2026
Jun 24, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains v...Show more
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."Show less
2Ruby Lang
Rubygems
2Ruby
Rubygems
Apr 29, 2026
Oct 17, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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...Show more
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.Show less
3Redhat
Ruby LangRubygems
3Enterprise Linux
RubyRubygems
Apr 29, 2026
Oct 17, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 throu...Show more
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.Show less
1Rubygems
1Rubygems
Apr 29, 2026
Oct 1, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.
1Rubygems
1Rubygems
Apr 29, 2026
Oct 1, 2013
N/A· v4
N/A· v3
5.8 MEDIUM· v2
RubyGems before 1.8.23 can redirect HTTPS connections to HTTP, which makes it easier for remote attackers to observe or modify a gem during installation via a man-in-the-middle attack.