{"id":"CLSA-2026-1783522891","summary":"tomcat: Fix of CVE-2026-55957","details":"- CVE-2026-55957: fix JNDIRealm GSSAPI credential validation bypass by snapshotting\n  the JNDI environment before bind, removing SECURITY_AUTHENTICATION when set to\n  GSSAPI, and restoring it in a finally block that also releases user credentials","modified":"2026-10-26T09:30:25.745498281Z","published":"2026-07-08T22:26:32Z","upstream":["CVE-2026-55957"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1783522891.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55957"}],"affected":[{"package":{"name":"tomcat","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}},{"package":{"name":"tomcat-admin-webapps","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat-admin-webapps?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}},{"package":{"name":"tomcat-docs-webapp","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat-docs-webapp?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}},{"package":{"name":"tomcat-el-3.0-api","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat-el-3.0-api?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}},{"package":{"name":"tomcat-jsp-2.3-api","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat-jsp-2.3-api?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}},{"package":{"name":"tomcat-lib","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat-lib?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}},{"package":{"name":"tomcat-servlet-4.0-api","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat-servlet-4.0-api?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}},{"package":{"name":"tomcat-webapps","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tomcat-webapps?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1783522891.json"}}],"schema_version":"1.9.0"}