{"id":"CVE-2019-0190","details":"A bug exists in the way mod_ssl handled client renegotiations. A remote attacker could send a carefully crafted request that would cause mod_ssl to enter a loop leading to a denial of service. This bug can be only triggered with Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1 or later, due to an interaction in changes to handling of renegotiation attempts.","modified":"2026-07-08T05:52:36.824332258Z","published":"2019-01-30T22:29:00.497Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"oracle:enterprise_manager_ops_center","cpes":["cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"12.3.3"},{"last_affected":"12.3.3"}]},{"source":"CPE_STRING","vendor_product":"oracle:hospitality_guest_access","cpes":["cpe:2.3:a:oracle:hospitality_guest_access:4.2.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:hospitality_guest_access:4.2.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"4.2.0"},{"last_affected":"4.2.0"},{"introduced":"4.2.1"},{"last_affected":"4.2.1"}]},{"cpes":["cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*","cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*","cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"17.1"},{"last_affected":"17.1"},{"introduced":"17.2"},{"last_affected":"17.2"},{"introduced":"17.3"},{"last_affected":"17.3"}],"source":"CPE_STRING","vendor_product":"oracle:instantis_enterprisetrack"},{"source":"CPE_STRING","vendor_product":"oracle:retail_xstore_point_of_service","cpes":["cpe:2.3:a:oracle:retail_xstore_point_of_service:7.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"},{"introduced":"7.1"},{"last_affected":"7.1"}]}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106743"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201903-21"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190125-0001/"},{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"},{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"6431bbb0da47dd984110dc32728a84e5cc990313"},{"last_affected":"6431bbb0da47dd984110dc32728a84e5cc990313"}],"database_specific":{"cpe":"cpe:2.3:a:apache:http_server:2.4.37:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.4.37"},{"last_affected":"2.4.37"}],"source":"CPE_STRING"}}],"versions":["2.4.37"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-0190.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}