{"id":"CLSA-2025-1743675732","summary":"avahi: Fix of 8 CVEs","details":"- CVE-2021-3468: handle termination event on avahi Unix socket to prevent\n  infinite loop\n- CVE-2023-1981: prevent avahi daemon crash by emitting an error if the requested D-Bus\n  service is not found\n- CVE-2021-3502: fix avahi-daemon crashing from NULL pointer assertions\n- CVE-2023-38469: reject overly long TXT resource records to prevent reachable assertion\n  in avahi_dns_packet_append_record\n- CVE-2023-38470: ensure each label is at least one byte long in avahi_normalize_name()\n  to prevent reachable assertion in avahi_escape_label()\n- CVE-2023-38471: fix creating invalid escape sequence in dbus_set_host_name function\n- CVE-2023-38472: ensure avahi_rdata_parse() has valid rdata before parsing to prevent\n  reachable assertion\n- CVE-2023-38473: normalize input in avahi_alternative_host_name() to prevent\n  reachable assertion due to unescaped dot handling","modified":"2026-05-27T11:34:19.238706406Z","published":"2025-04-03T10:22:18Z","upstream":["CVE-2021-3468","CVE-2021-3502","CVE-2023-1981","CVE-2023-38469","CVE-2023-38470","CVE-2023-38471","CVE-2023-38472","CVE-2023-38473"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/almalinux9.2-esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.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.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1743675732.json"}},{"package":{"name":"avahi-libs","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rp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