{"id":"CLSA-2026-1786027278","summary":"avahi: Fix of 4 CVEs","details":"- CVE-2025-68468: fix remote denial of service via crafted mDNS CNAME announcements (assertion failure in lookup_multicast_callback)\n- CVE-2025-68471: fix remote denial of service via unsolicited CNAME announcements (assertion failure in lookup_start)\n- CVE-2025-68276: fix local denial of service via D-Bus record browsers using AVAHI_LOOKUP_USE_WIDE_AREA when wide-area is disabled\n- CVE-2026-34933: fix local denial of service via D-Bus publish flags setting both AVAHI_PUBLISH_USE_WIDE_AREA and AVAHI_PUBLISH_USE_MULTICAST","modified":"2026-10-26T09:43:55.103700231Z","published":"2026-08-06T14:41:41Z","upstream":["CVE-2025-68276","CVE-2025-68468","CVE-2025-68471","CVE-2026-34933"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1786027278.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68276"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68468"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68471"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34933"}],"affected":[{"package":{"name":"avahi","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-autoipd","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-autoipd?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-compat-howl","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-compat-howl?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-compat-howl-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-compat-howl-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-compat-libdns_sd","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-compat-libdns_sd?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-compat-libdns_sd-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-compat-libdns_sd-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-dnsconfd","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-dnsconfd?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-glib","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-glib?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-glib-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-glib-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-gobject","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-gobject?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"name":"avahi-gobject-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/avahi-gobject-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-20.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786027278.json"}},{"package":{"na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