{"id":"CLSA-2026-1783351984","summary":"Fix CVE(s): CVE-2026-55956, CVE-2026-55957","details":"   * SECURITY UPDATE: authentication bypass in JNDIRealm with GSSAPI\n     - debian/patches/CVE-2026-55957.patch: don't reuse GSSAPI SASL auth when\n       validating user credentials in java/org/apache/catalina/realm/JNDIRealm.java\n     - CVE-2026-55957\n   * SECURITY UPDATE: default servlet security constraint method bypass\n     - debian/patches/CVE-2026-55956.patch: honour per-method constraints mapped\n       to \"/\" in java/org/apache/catalina/realm/RealmBase.java\n     - CVE-2026-55956","modified":"2026-10-26T09:31:46.903126827Z","published":"2026-07-06T15:33:21Z","upstream":["CVE-2026-55956","CVE-2026-55957"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1783351984.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55956"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55957"}],"affected":[{"package":{"name":"libservlet3.1-java","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libservlet3.1-java?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"libservlet3.1-java-doc","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libservlet3.1-java-doc?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"libtomcat8-java","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libtomcat8-java?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"tomcat8","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/tomcat8?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"tomcat8-admin","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/tomcat8-admin?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"tomcat8-common","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/tomcat8-common?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"tomcat8-docs","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/tomcat8-docs?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"tomcat8-examples","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/tomcat8-examples?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}},{"package":{"name":"tomcat8-user","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/tomcat8-user?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.13+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783351984.json"}}],"schema_version":"1.9.0"}