{"id":"CVE-2019-19886","details":"Trustwave ModSecurity 3.0.0 through 3.0.3 allows an attacker to send crafted requests that may, when sent quickly in large volumes, lead to the server becoming slow or unresponsive (Denial of Service) because of a flaw in Transaction::addRequestHeader in transaction.cc.","modified":"2026-08-27T03:48:20.429258055Z","published":"2020-01-21T22:15:15.667Z","database_specific":{"unresolved_ranges":[{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"30"},{"last_affected":"30"},{"introduced":"31"},{"last_affected":"31"},{"introduced":"32"},{"last_affected":"32"}],"source":"CPE_STRING"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GWVUC54OPU7ICFYIXXVGQ5DOTMR4Z6ZY/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JI3MNFRNUZD6RAJ5CPQZSUXQXDZ2K7IL/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IIUNYIEZOWHRWWRVT3FR45MLE6HGDY/"},{"type":"ADVISORY","url":"https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/modsecurity-denial-of-service-details-cve-2019-19886/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/owasp-modsecurity/ModSecurity","events":[{"introduced":"c1cd668acb820824e791ba802396c60900eae9c1"},{"last_affected":"4e6e4243a899ff46dccd189693b2f5d9421dcd98"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:owasp:modsecurity:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.0.3"}]}}],"versions":["v3.0.3","v3.0.2","v3.0.1","v3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19886.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/owasp-modsecurity/modsecurity","events":[{"introduced":"c1cd668acb820824e791ba802396c60900eae9c1"},{"last_affected":"4e6e4243a899ff46dccd189693b2f5d9421dcd98"}],"database_specific":{"extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.0.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:owasp:modsecurity:*:*:*:*:*:*:*:*"}}],"versions":["v3.0.3","v3.0.2","v3.0.1","v3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19886.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}