{"schema_version":"1.7.3","id":"SUSE-SU-2020:1963-1","published":"2020-07-20T15:30:52Z","modified":"2026-02-04T04:21:21.890986Z","related":["CVE-2020-11996"],"upstream":["CVE-2020-11996"],"summary":"Security update for tomcat","details":"This update for tomcat fixes the following issues:\n\nTomcat was updated to 9.0.36 See changelog at\n\n- CVE-2020-11996: Fixed an issue which by sending a specially crafted sequence of HTTP/2 requests could have triggered high CPU\n  usage for several seconds making potentially the server unresponsive (bsc#1173389).\t  \n","affected":[{"package":{"name":"tomcat","ecosystem":"SUSE:OpenStack Cloud 9","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20OpenStack%20Cloud%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.36-3.42.2"}]}],"ecosystem_specific":{"binaries":[{"tomcat":"9.0.36-3.42.2","tomcat-admin-webapps":"9.0.36-3.42.2","tomcat-docs-webapp":"9.0.36-3.42.2","tomcat-el-3_0-api":"9.0.36-3.42.2","tomcat-javadoc":"9.0.36-3.42.2","tomcat-jsp-2_3-api":"9.0.36-3.42.2","tomcat-lib":"9.0.36-3.42.2","tomcat-servlet-4_0-api":"9.0.36-3.42.2","tomcat-webapps":"9.0.36-3.42.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:1963-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:OpenStack Cloud Crowbar 9","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.36-3.42.2"}]}],"ecosystem_specific":{"binaries":[{"tomcat":"9.0.36-3.42.2","tomcat-admin-webapps":"9.0.36-3.42.2","tomcat-docs-webapp":"9.0.36-3.42.2","tomcat-el-3_0-api":"9.0.36-3.42.2","tomcat-javadoc":"9.0.36-3.42.2","tomcat-jsp-2_3-api":"9.0.36-3.42.2","tomcat-lib":"9.0.36-3.42.2","tomcat-servlet-4_0-api":"9.0.36-3.42.2","tomcat-webapps":"9.0.36-3.42.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:1963-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.36-3.42.2"}]}],"ecosystem_specific":{"binaries":[{"tomcat":"9.0.36-3.42.2","tomcat-admin-webapps":"9.0.36-3.42.2","tomcat-docs-webapp":"9.0.36-3.42.2","tomcat-el-3_0-api":"9.0.36-3.42.2","tomcat-javadoc":"9.0.36-3.42.2","tomcat-jsp-2_3-api":"9.0.36-3.42.2","tomcat-lib":"9.0.36-3.42.2","tomcat-servlet-4_0-api":"9.0.36-3.42.2","tomcat-webapps":"9.0.36-3.42.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:1963-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise Server 12 SP4-LTSS","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.36-3.42.2"}]}],"ecosystem_specific":{"binaries":[{"tomcat":"9.0.36-3.42.2","tomcat-admin-webapps":"9.0.36-3.42.2","tomcat-docs-webapp":"9.0.36-3.42.2","tomcat-el-3_0-api":"9.0.36-3.42.2","tomcat-javadoc":"9.0.36-3.42.2","tomcat-jsp-2_3-api":"9.0.36-3.42.2","tomcat-lib":"9.0.36-3.42.2","tomcat-servlet-4_0-api":"9.0.36-3.42.2","tomcat-webapps":"9.0.36-3.42.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:1963-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.36-3.42.2"}]}],"ecosystem_specific":{"binaries":[{"tomcat":"9.0.36-3.42.2","tomcat-admin-webapps":"9.0.36-3.42.2","tomcat-docs-webapp":"9.0.36-3.42.2","tomcat-el-3_0-api":"9.0.36-3.42.2","tomcat-javadoc":"9.0.36-3.42.2","tomcat-jsp-2_3-api":"9.0.36-3.42.2","tomcat-lib":"9.0.36-3.42.2","tomcat-servlet-4_0-api":"9.0.36-3.42.2","tomcat-webapps":"9.0.36-3.42.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:1963-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.36-3.42.2"}]}],"ecosystem_specific":{"binaries":[{"tomcat":"9.0.36-3.42.2","tomcat-admin-webapps":"9.0.36-3.42.2","tomcat-docs-webapp":"9.0.36-3.42.2","tomcat-el-3_0-api":"9.0.36-3.42.2","tomcat-javadoc":"9.0.36-3.42.2","tomcat-jsp-2_3-api":"9.0.36-3.42.2","tomcat-lib":"9.0.36-3.42.2","tomcat-servlet-4_0-api":"9.0.36-3.42.2","tomcat-webapps":"9.0.36-3.42.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:1963-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2020/suse-su-20201963-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173389"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-11996"}]}