{"id":"UBUNTU-CVE-2012-6109","details":"lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.","modified":"2025-07-16T07:31:04.351088Z","published":"2013-03-01T05:40:00Z","upstream":["CVE-2012-6109"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-6109"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-6109"}],"affected":[{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@1.5.2-1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.2-1"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.5.2-1","binary_name":"librack-ruby"},{"binary_version":"1.5.2-1","binary_name":"librack-ruby1.8"},{"binary_version":"1.5.2-1","binary_name":"librack-ruby1.9.1"},{"binary_version":"1.5.2-1","binary_name":"ruby-rack"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-6109.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}