{"id":"CVE-2017-2670","details":"It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.","aliases":["GHSA-3x7h-5hfr-hvjm"],"modified":"2026-04-10T03:59:16.012958Z","published":"2018-07-27T15:29:00.487Z","references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1410"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1411"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1412"},{"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":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2017-1409.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/98965"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3906"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/undertow-io/undertow","events":[{"introduced":"0"},{"fixed":"49129cdcc2fb541f13cc6aeb12fa9ad65016129f"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.3.28"}]}}],"versions":["1.0.0.Alpha1","1.0.0.Alpha10","1.0.0.Alpha11","1.0.0.Alpha12","1.0.0.Alpha13","1.0.0.Alpha14","1.0.0.Alpha15","1.0.0.Alpha16","1.0.0.Alpha17","1.0.0.Alpha18","1.0.0.Alpha19","1.0.0.Alpha2","1.0.0.Alpha20","1.0.0.Alpha21","1.0.0.Alpha22","1.0.0.Alpha3","1.0.0.Alpha4","1.0.0.Alpha5","1.0.0.Alpha6","1.0.0.Alpha7","1.0.0.Alpha8","1.0.0.Alpha9","1.0.0.Beta1","1.0.0.Beta10","1.0.0.Beta11","1.0.0.Beta12","1.0.0.Beta13","1.0.0.Beta14","1.0.0.Beta15","1.0.0.Beta16","1.0.0.Beta17","1.0.0.Beta18","1.0.0.Beta19","1.0.0.Beta2","1.0.0.Beta20","1.0.0.Beta21","1.0.0.Beta22","1.0.0.Beta23","1.0.0.Beta24","1.0.0.Beta25","1.0.0.Beta26","1.0.0.Beta27","1.0.0.Beta28","1.0.0.Beta29","1.0.0.Beta3","1.0.0.Beta30","1.0.0.Beta31","1.0.0.Beta32","1.0.0.Beta33","1.0.0.Beta4","1.0.0.Beta5","1.0.0.Beta6","1.0.0.Beta7","1.0.0.Beta8","1.0.0.Beta9","1.0.0.CR1","1.0.0.CR2","1.0.0.CR3","1.0.0.CR4","1.0.0.Final","1.0.1.Final","1.0.2.Final","1.0.3.Final","1.1.0.Beta1","1.1.0.Beta2","1.1.0.Beta3","1.1.0.Beta4","1.1.0.Beta5","1.1.0.Beta6","1.1.0.Beta7","1.1.0.Beta8","1.2.0.Beta1","1.2.0.Beta10","1.2.0.Beta2","1.2.0.Beta3","1.2.0.Beta4","1.2.0.Beta5","1.2.0.Beta6","1.2.0.Beta7","1.2.0.Beta8","1.2.0.Beta9","1.2.0.CR1","1.2.0.Final","1.2.1.Final","1.2.2.Final","1.2.3.Final","1.2.4.Final","1.3.0.Beta1","1.3.0.Beta10","1.3.0.Beta11","1.3.0.Beta12","1.3.0.Beta13","1.3.0.Beta2","1.3.0.Beta3","1.3.0.Beta4","1.3.0.Beta5","1.3.0.Beta6","1.3.0.Beta7","1.3.0.Beta8","1.3.0.Beta9","1.3.0.CR1","1.3.0.CR2","1.3.0.CR3","1.3.0.Final","1.3.1.Final","1.3.10.Final","1.3.11.Final","1.3.12.Final","1.3.13.Final","1.3.14.Final","1.3.15.Final","1.3.16.Final","1.3.17.Final","1.3.18.Final","1.3.19.Final","1.3.2.Final","1.3.20.Final","1.3.21.Final","1.3.22.Final","1.3.23.Final","1.3.24.Final","1.3.25.Final","1.3.26.Final","1.3.27.Final","1.3.3.Final","1.3.5.Final","1.3.6.Final","1.3.7.Final","1.3.8.Final","1.3.9.Final"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2670.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.1.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}