{"id":"CVE-2016-9589","aliases":["GHSA-p4xg-cpr9-vwvj"],"url":"https://o3.security/vulnerability/CVE-2016-9589","summary":"Red Hat Wildfly DoS","details":"Undertow in Red Hat wildfly before version 11.0.0.Beta1 is vulnerable to a resource exhaustion resulting in a denial of service. Undertow keeps a cache of seen HTTP headers in persistent connections. It was found that this cache can easily exploited to fill memory with garbage, up to \"max-headers\" (default 200) * \"max-header-size\" (default 1MB) per active TCP connection.","published":"2018-03-12T15:29:00.273Z","modified":"2026-07-08T12:53:31.887495Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.wildfly:wildfly-undertow","fixedVersion":"11.0.0.Beta1"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0830.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0831.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0832.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0834.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-0876.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/97060"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:0872"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:0873"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:3454"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:3455"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:3456"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:3458"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1404782"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9589"},{"type":"PACKAGE","url":"https://github.com/wildfly/wildfly"},{"type":"WEB","url":"https://web.archive.org/web/20200227180917/https://www.securityfocus.com/bid/97060"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:53:31.887495Z"}}