{"id":"CLSA-2026-1779355433","summary":"Fix CVE(s): CVE-2026-3833","details":"   * SECURITY UPDATE: nameConstraints case-sensitive comparison bypass\n     - debian/patches/CVE-2026-3833.patch: perform case-insensitive comparison\n       of dNSName and rfc822Name domain labels in X.509 nameConstraints\n       processing, fixing excludedSubtrees / permittedSubtrees bypass via\n       letter-casing in the SAN.\n     - CVE-2026-3833","modified":"2026-06-04T09:47:32.429660216Z","published":"2026-05-21T09:23:56Z","upstream":["CVE-2026-3833"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1779355433.html"}],"affected":[{"package":{"name":"gnutls-bin","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/gnutls-bin?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779355433.json"}},{"package":{"name":"gnutls-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/gnutls-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779355433.json"}},{"package":{"name":"libgnutls-dane0","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libgnutls-dane0?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779355433.json"}},{"package":{"name":"libgnutls-openssl27","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libgnutls-openssl27?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779355433.json"}},{"package":{"name":"libgnutls28-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libgnutls28-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779355433.json"}},{"package":{"name":"libgnutls30","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libgnutls30?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779355433.json"}},{"package":{"name":"libgnutlsxx28","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libgnutlsxx28?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779355433.json"}}],"schema_version":"1.7.5"}