{"id":"CVE-2021-3597","details":"A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to 2.0.39.Final.","aliases":["GHSA-mfhv-gwf8-4m88"],"modified":"2026-04-10T04:35:18.440291Z","published":"2022-05-24T19:15:09.037Z","references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20220804-0003/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1970930"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/undertow-io/undertow","events":[{"introduced":"0"},{"last_affected":"30392f538d254ed54834854e3f7face2bf945dcb"},{"introduced":"0"},{"fixed":"7aa46956d0171a36f39521a7b3065a8c4b8d9ad2"},{"introduced":"8ddcc2608f58ed3377474f4e537728c5518a7862"},{"fixed":"affeda2ad491a0523308b6e7a38e3ad92563abb1"},{"introduced":"0"},{"last_affected":"7aa46956d0171a36f39521a7b3065a8c4b8d9ad2"},{"introduced":"0"},{"last_affected":"93e1b161efcc9ef782cf808f4a2b9ed459b89d15"},{"introduced":"0"},{"last_affected":"e7124a31fa885a1bbb69ff6d5041fb0682e2595c"},{"introduced":"0"},{"last_affected":"affeda2ad491a0523308b6e7a38e3ad92563abb1"},{"introduced":"0"},{"last_affected":"31234d925ef7b8bb303f2630ab3e1cbd95b0f588"},{"introduced":"0"},{"last_affected":"f89188efe9e1480c3d9985bdc119fffde747316d"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.0"},{"introduced":"0"},{"fixed":"2.0.35"},{"introduced":"2.2.0"},{"fixed":"2.2.6"},{"introduced":"0"},{"last_affected":"2.0.35-NA"},{"introduced":"0"},{"last_affected":"2.0.36-NA"},{"introduced":"0"},{"last_affected":"2.0.39-NA"},{"introduced":"0"},{"last_affected":"2.2.6-NA"},{"introduced":"0"},{"last_affected":"2.2.7-NA"},{"introduced":"0"},{"last_affected":"2.2.9-NA"}]}}],"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","1.3.2.Final","1.3.3.Final","2.0.0.Alpha1","2.0.0.Beta1","2.0.0.Final","2.0.1.Final","2.0.10.Final","2.0.11.Final","2.0.12.Final","2.0.13.Final","2.0.14.Final","2.0.15.Final","2.0.16.Final","2.0.17.Final","2.0.2.Final","2.0.20.Final","2.0.21.Final","2.0.22.Final","2.0.23.Final","2.0.24.Final","2.0.25.Final","2.0.26.Final","2.0.27.Final","2.0.28.Final","2.0.29.Final","2.0.3.Final","2.0.30.Final","2.0.31.Final","2.0.32.Final","2.0.33.Final","2.0.34.Final","2.0.35.Final","2.0.36.Final","2.0.37.Final","2.0.38.Final","2.0.39.Final","2.0.4.Final","2.0.5.Final","2.0.6.Final","2.0.7.Final","2.0.8.Final","2.0.9.Final","2.2.0.Final","2.2.1.Final","2.2.2.Final","2.2.3.Final","2.2.4.Final","2.2.5.Final","2.2.6.Final","2.2.7.Final","2.2.8.Final","2.2.9.Final"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3597.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}