{"schema_version":"1.7.5","id":"CVE-2018-16470","published":"2018-11-13T23:29:00.263Z","modified":"2026-07-08T17:16:04.168806Z","aliases":["GHSA-hg78-4f6x-99wq"],"related":["SUSE-SU-2019:0272-1","openSUSE-SU-2019:0185-1","openSUSE-SU-2024:10589-1"],"details":"There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rack/rack","events":[{"introduced":"0a95875745ec65e91a57460a41373ae4d3a94934"},{"last_affected":"decd97682ec4c6345fe359b6a1d3c51e5fbdce5b"}],"database_specific":{"cpe":["cpe:2.3:a:rack_project:rack:2.0.4:*:*:*:*:*:*:*","cpe:2.3:a:rack_project:rack:2.0.5:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.0.4"},{"last_affected":"2.0.4"},{"introduced":"2.0.5"},{"last_affected":"2.0.5"}],"source":"CPE_STRING"}}],"versions":["2.0.4","2.0.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16470.json"}}],"references":[{"type":"WEB","url":"https://groups.google.com/forum/#%21msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3172"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}