{"id":"openSUSE-SU-2021:0370-1","summary":"Security update for avahi","details":"This update for avahi fixes the following issues:\n\n- CVE-2021-26720: drop privileges when invoking avahi-daemon-check-dns.sh (bsc#1180827)\n- Update avahi-daemon-check-dns.sh from Debian. Our previous version relied on ifconfig, route, and init.d.\n- Add sudo to requires: used to drop privileges.\n\nThis update was imported from the SUSE:SLE-15-SP1:Update update project.","modified":"2026-02-04T02:24:45.616895Z","published":"2021-03-02T19:06:20Z","related":["CVE-2021-26720"],"upstream":["CVE-2021-26720"],"references":[{"type":"ADVISORY","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/DVDVPBVHRZSZM5XAK6X7A5RCIHNQNEG5/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1180827"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-26720"}],"affected":[{"package":{"name":"avahi","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/avahi&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-lp152.3.6.1"}]}],"ecosystem_specific":{"binaries":[{"libavahi-client3-32bit":"0.7-lp152.3.6.1","libavahi-core7":"0.7-lp152.3.6.1","libavahi-ui0":"0.7-lp152.3.6.1","avahi":"0.7-lp152.3.6.1","libavahi-glib-devel":"0.7-lp152.3.6.1","libdns_sd":"0.7-lp152.3.6.1","libhowl0":"0.7-lp152.3.6.1","avahi-compat-mDNSResponder-devel":"0.7-lp152.3.6.1","libavahi-client3":"0.7-lp152.3.6.1","avahi-mono":"0.7-lp152.3.6.1","libavahi-common3-32bit":"0.7-lp152.3.6.1","libavahi-devel":"0.7-lp152.3.6.1","libavahi-glib1-32bit":"0.7-lp152.3.6.1","libavahi-glib1":"0.7-lp152.3.6.1","libavahi-qt4-1":"0.7-lp152.3.6.1","python3-avahi":"0.7-lp152.3.6.1","libavahi-gobject-devel":"0.7-lp152.3.6.1","python3-avahi-gtk":"0.7-lp152.3.6.1","typelib-1_0-Avahi-0_6":"0.7-lp152.3.6.1","avahi-autoipd":"0.7-lp152.3.6.1","avahi-lang":"0.7-lp152.3.6.1","avahi-utils-gtk":"0.7-lp152.3.6.1","libavahi-gobject0":"0.7-lp152.3.6.1","libavahi-qt4-devel":"0.7-lp152.3.6.1","avahi-compat-howl-devel":"0.7-lp152.3.6.1","avahi-utils":"0.7-lp152.3.6.1","libavahi-common3":"0.7-lp152.3.6.1","libavahi-ui-gtk3-0":"0.7-lp152.3.6.1","libdns_sd-32bit":"0.7-lp152.3.6.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0370-1.json"}},{"package":{"name":"avahi-glib2","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/avahi-glib2&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-lp152.3.6.1"}]}],"ecosystem_specific":{"binaries":[{"avahi-autoipd":"0.7-lp152.3.6.1","avahi-lang":"0.7-lp152.3.6.1","avahi-utils":"0.7-lp152.3.6.1","libavahi-glib1-32bit":"0.7-lp152.3.6.1","libavahi-gobject-devel":"0.7-lp152.3.6.1","libavahi-qt4-1":"0.7-lp152.3.6.1","avahi-mono":"0.7-lp152.3.6.1","libavahi-client3-32bit":"0.7-lp152.3.6.1","libavahi-client3":"0.7-lp152.3.6.1","libavahi-common3":"0.7-lp152.3.6.1","libdns_sd-32bit":"0.7-lp152.3.6.1","libavahi-qt4-devel":"0.7-lp152.3.6.1","libavahi-core7":"0.7-lp152.3.6.1","avahi-compat-mDNSResponder-devel":"0.7-lp152.3.6.1","libavahi-glib1":"0.7-lp152.3.6.1","libavahi-ui-gtk3-0":"0.7-lp152.3.6.1","libavahi-devel":"0.7-lp152.3.6.1","libhowl0":"0.7-lp152.3.6.1","python3-avahi":"0.7-lp152.3.6.1","libavahi-common3-32bit":"0.7-lp152.3.6.1","libavahi-gobject0":"0.7-lp152.3.6.1","libavahi-ui0":"0.7-lp152.3.6.1","avahi":"0.7-lp152.3.6.1","libdns_sd":"0.7-lp152.3.6.1","python3-avahi-gtk":"0.7-lp152.3.6.1","avahi-compat-howl-devel":"0.7-lp152.3.6.1","avahi-utils-gtk":"0.7-lp152.3.6.1","libavahi-glib-devel":"0.7-lp152.3.6.1","typelib-1_0-Avahi-0_6":"0.7-lp152.3.6.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0370-1.json"}},{"package":{"name":"avahi-mono","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/avahi-mono&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-lp152.3.6.1"}]}],"ecosystem_specific":{"binaries":[{"libavahi-ui0":"0.7-lp152.3.6.1","libavahi-common3":"0.7-lp152.3.6.1","libavahi-devel":"0.7-lp152.3.6.1","avahi-autoipd":"0.7-lp152.3.6.1","avahi-compat-mDNSResponder-devel":"0.7-lp152.3.6.1","avahi-lang":"0.7-lp152.3.6.1","libavahi-glib1":"0.7-lp152.3.6.1","libavahi-client3-32bit":"0.7-lp152.3.6.1","libavahi-gobject-devel":"0.7-lp152.3.6.1","libhowl0":"0.7-lp152.3.6.1","python3-avahi":"0.7-lp152.3.6.1","typelib-1_0-Avahi-0_6":"0.7-lp152.3.6.1","libdns_sd":"0.7-lp152.3.6.1","python3-avahi-gtk":"0.7-lp152.3.6.1","libavahi-common3-32bit":"0.7-lp152.3.6.1","avahi-compat-howl-devel":"0.7-lp152.3.6.1","avahi-utils-gtk":"0.7-lp152.3.6.1","avahi":"0.7-lp152.3.6.1","libavahi-gobject0":"0.7-lp152.3.6.1","libavahi-ui-gtk3-0":"0.7-lp152.3.6.1","avahi-utils":"0.7-lp152.3.6.1","libavahi-client3":"0.7-lp152.3.6.1","libavahi-glib-devel":"0.7-lp152.3.6.1","libavahi-qt4-1":"0.7-lp152.3.6.1","avahi-mono":"0.7-lp152.3.6.1","libdns_sd-32bit":"0.7-lp152.3.6.1","libavahi-core7":"0.7-lp152.3.6.1","libavahi-glib1-32bit":"0.7-lp152.3.6.1","libavahi-qt4-devel":"0.7-lp152.3.6.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0370-1.json"}},{"package":{"name":"avahi-qt4","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/avahi-qt4&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-lp152.3.6.1"}]}],"ecosystem_specific":{"binaries":[{"libavahi-client3-32bit":"0.7-lp152.3.6.1","libavahi-qt4-1":"0.7-lp152.3.6.1","libavahi-common3":"0.7-lp152.3.6.1","libavahi-devel":"0.7-lp152.3.6.1","libavahi-glib1-32bit":"0.7-lp152.3.6.1","libavahi-glib1":"0.7-lp152.3.6.1","libavahi-gobject0":"0.7-lp152.3.6.1","libavahi-qt4-devel":"0.7-lp152.3.6.1","avahi-lang":"0.7-lp152.3.6.1","libavahi-common3-32bit":"0.7-lp152.3.6.1","libavahi-core7":"0.7-lp152.3.6.1","libdns_sd-32bit":"0.7-lp152.3.6.1","libhowl0":"0.7-lp152.3.6.1","libavahi-ui0":"0.7-lp152.3.6.1","python3-avahi-gtk":"0.7-lp152.3.6.1","python3-avahi":"0.7-lp152.3.6.1","avahi-compat-howl-devel":"0.7-lp152.3.6.1","avahi-compat-mDNSResponder-devel":"0.7-lp152.3.6.1","avahi-utils":"0.7-lp152.3.6.1","libavahi-ui-gtk3-0":"0.7-lp152.3.6.1","libavahi-glib-devel":"0.7-lp152.3.6.1","libavahi-gobject-devel":"0.7-lp152.3.6.1","libdns_sd":"0.7-lp152.3.6.1","typelib-1_0-Avahi-0_6":"0.7-lp152.3.6.1","libavahi-client3":"0.7-lp152.3.6.1","avahi-autoipd":"0.7-lp152.3.6.1","avahi-mono":"0.7-lp152.3.6.1","avahi-utils-gtk":"0.7-lp152.3.6.1","avahi":"0.7-lp152.3.6.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0370-1.json"}}],"schema_version":"1.7.3"}