{"id":"CLSA-2026-1781108520","summary":"tomcat: Fix of 2 CVEs","details":"- CVE-2026-29146: change the default EncryptInterceptor cipher to AES/GCM/NoPadding\n  and reject insecure cipher mode/padding combinations to mitigate the CBC padding\n  oracle attack (upstream tomcat 9.0.116)\n- CVE-2026-34486: restore super.messageReceived() inside the try block so a failed\n  decryption is not forwarded, closing the EncryptInterceptor fail-open bypass\n  introduced by the CVE-2026-29146 fix (upstream tomcat 9.0.117)","modified":"2026-10-26T09:31:08.562730882Z","published":"2026-06-10T16:22:18Z","upstream":["CVE-2026-29146","CVE-2026-34486"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1781108520.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29146"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34486"}],"affected":[{"package":{"name":"tomcat","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}},{"package":{"name":"tomcat-admin-webapps","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat-admin-webapps?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}},{"package":{"name":"tomcat-docs-webapp","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat-docs-webapp?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}},{"package":{"name":"tomcat-el-3.0-api","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat-el-3.0-api?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}},{"package":{"name":"tomcat-jsp-2.3-api","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat-jsp-2.3-api?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}},{"package":{"name":"tomcat-lib","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat-lib?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}},{"package":{"name":"tomcat-servlet-4.0-api","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat-servlet-4.0-api?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}},{"package":{"name":"tomcat-webapps","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/tomcat-webapps?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.87-3.el9_6.3.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781108520.json"}}],"schema_version":"1.9.0"}