{"id":"SUSE-SU-2026:4203-1","summary":"Security update for tomcat","details":"This update for tomcat fixes the following issues:\n\n- CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint (bsc#1276893).\n- CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets (bsc#1276894).\n- CVE-2026-65637: Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - fix incomplete (bsc#1276895).\n- CVE-2026-65905: Apache Tomcat: Limited replay attack possible with DIGEST authentication (bsc#1276896).\n- CVE-2026-65927: Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control\n  (bsc#1276897).\n- CVE-2026-66299: memory exhaustion via maliciously slow clients due to the WebSocket chat example providing an\n  unbounded buffer for undelivered messages (bsc#1273150).\n- CVE-2026-66422: Apache Tomcat: Servlet role references can bypass declarative role constraints (bsc#1276898).\n- CVE-2026-68525: Apache Tomcat: Redirect after FORM auth may bypass method specific constraints (bsc#1276899).\n- CVE-2026-68569: Apache Tomcat: Principal lookup can fail open in some cases (bsc#1276900).\n- CVE-2026-68763: Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset\n  (bsc#1276901).\n- CVE-2026-73180: Apache Tomcat: Authenticated WebSocket session survives end of HTTP session (bsc#1276902).\n\nChanges for tomcat:\n\n- Updated to version 9.0.121\n","modified":"2026-09-16T21:45:03.914009584Z","published":"2026-09-16T08:19:50Z","related":["CVE-2026-65182","CVE-2026-65183","CVE-2026-65637","CVE-2026-65905","CVE-2026-65927","CVE-2026-66299","CVE-2026-66422","CVE-2026-68525","CVE-2026-68569","CVE-2026-68763","CVE-2026-73180"],"upstream":["CVE-2026-65182","CVE-2026-65183","CVE-2026-65637","CVE-2026-65905","CVE-2026-65927","CVE-2026-66299","CVE-2026-66422","CVE-2026-68525","CVE-2026-68569","CVE-2026-68763","CVE-2026-73180"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264203-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1273150"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276893"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276894"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276895"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276896"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276897"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276898"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276899"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276900"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276901"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276902"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-65182"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-65183"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-65637"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-65905"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-65927"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-66299"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-66422"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-68525"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-68569"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-68763"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-73180"}],"affected":[{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise Module for Web and Scripting 15 SP7","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-150200.120.1"}]}],"ecosystem_specific":{"binaries":[{"tomcat":"9.0.121-150200.120.1","tomcat-admin-webapps":"9.0.121-150200.120.1","tomcat-el-3_0-api":"9.0.121-150200.120.1","tomcat-jsp-2_3-api":"9.0.121-150200.120.1","tomcat-lib":"9.0.121-150200.120.1","tomcat-servlet-4_0-api":"9.0.121-150200.120.1","tomcat-webapps":"9.0.121-150200.120.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4203-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 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SP5-LTSS","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-150200.120.1"}]}],"ecosystem_specific":{"binaries":[{"tomcat-servlet-4_0-api":"9.0.121-150200.120.1","tomcat-webapps":"9.0.121-150200.120.1","tomcat":"9.0.121-150200.120.1","tomcat-admin-webapps":"9.0.121-150200.120.1","tomcat-el-3_0-api":"9.0.121-150200.120.1","tomcat-jsp-2_3-api":"9.0.121-150200.120.1","tomcat-lib":"9.0.121-150200.120.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4203-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","purl":"pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.121-150200.120.1"}]}],"ecosystem_specific":{"binaries":[{"tomcat-jsp-2_3-api":"9.0.121-150200.120.1","tomcat-lib":"9.0.121-150200.120.1","tomcat-servlet-4_0-api":"9.0.121-150200.120.1","tomcat-webapps":"9.0.121-150200.120.1","tomcat":"9.0.121-150200.120.1","tomcat-admin-webapps":"9.0.121-150200.120.1","tomcat-el-3_0-api":"9.0.121-150200.120.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4203-1.json"}},{"package":{"name":"tomcat","ecosystem":"SUSE:Linux Enterprise Server 15 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