{"id":"DEBIAN-CVE-2013-4363","details":"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.","modified":"2026-09-01T20:03:18.194657058Z","published":"2013-10-17T23:55:04.440Z","upstream":["CVE-2013-4363"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2013-4363"}],"affected":[{"package":{"name":"rubygems","ecosystem":"Debian:12","purl":"pkg:deb/debian/rubygems?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0~rc.1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-4363.json"}},{"package":{"name":"rubygems","ecosystem":"Debian:13","purl":"pkg:deb/debian/rubygems?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0~rc.1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-4363.json"}},{"package":{"name":"rubygems","ecosystem":"Debian:14","purl":"pkg:deb/debian/rubygems?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0~rc.1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-4363.json"}}],"schema_version":"1.9.0"}