{"id":"CLSA-2026-1778112033","summary":"avahi: Fix of CVE-2026-24401","details":"- CVE-2026-24401: fix avahi-daemon crash on receipt of unsolicited mDNS\n  responses containing self-referencing CNAME records by detecting CNAME\n  loops in lookup_handle_cname() to prevent uncontrolled recursion and stack\n  exhaustion; also includes two related DoS fixes in the same lookup path\n  from upstream PR #682","modified":"2026-06-01T00:32:29.462095487Z","published":"2026-05-07T00:00:38Z","upstream":["CVE-2026-24401"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1778112033.html"}],"affected":[{"package":{"name":"avahi","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-autoipd","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-autoipd?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-compat-howl","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-compat-howl?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-compat-howl-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-compat-howl-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-compat-libdns_sd","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-compat-libdns_sd?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-compat-libdns_sd-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-compat-libdns_sd-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-dnsconfd","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-dnsconfd?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-glib","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-glib?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-glib-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-glib-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-gobject","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-gobject?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-gobject-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-gobject-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-12.el9_2.1.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1778112033.json"}},{"package":{"name":"avahi-libs","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/avahi-libs?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0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