{"id":"CLSA-2026-1780068979","summary":"Fix CVE(s): CVE-2026-5946","details":"   * SECURITY UPDATE: multiple flaws in named related to handling of DNS messages\n     whose CLASS is not Internet (IN)\n     - debian/patches/CVE-2026-5946.patch: Restrict DNS operations to class IN only.\n     - CVE-2026-5946","modified":"2026-06-04T09:47:29.976275701Z","published":"2026-05-29T15:36:23Z","upstream":["CVE-2026-5946"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1780068979.html"}],"affected":[{"package":{"name":"bind9","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/bind9?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"bind9-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/bind9-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"bind9-host","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/bind9-host?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"bind9utils","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/bind9utils?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"dnsutils","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/dnsutils?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libbind-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libbind-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libbind-export-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libbind-export-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libbind9-160","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libbind9-160?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libdns-export1100","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libdns-export1100?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libdns1100","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libdns1100?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libirs-export160","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libirs-export160?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libirs160","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libirs160?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18+tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1780068979.json"}},{"package":{"name":"libisc-export169","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libisc-export169?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"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