{"id":"ALSA-2026:79113","summary":"Important: bind9.16 security, bug fix, and enhancement update","details":"The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.  \n\nSecurity Fix(es):  \n\n  * bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling (CVE-2026-19667)\n  * bind: BIND: Denial of Service via crafted DNSSEC reply (CVE-2026-80274)\n  * bind: BIND: Denial of Service via malformed DNS64 responses (CVE-2026-19666)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * bind 9.16 crash with SIGSEGV (JIRA:AlmaLinux-273294)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-10-09T12:11:46.715541015Z","published":"2026-10-08T00:00:00Z","related":["CVE-2026-19666","CVE-2026-19667","CVE-2026-80274"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:79113"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-19666"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-19667"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-80274"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2535435"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2535466"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2535477"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-79113.html"}],"affected":[{"package":{"name":"bind9.16","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"bind9.16-chroot","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16-chroot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"bind9.16-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"bind9.16-dnssec-utils","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16-dnssec-utils"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"bind9.16-doc","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"bind9.16-libs","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"bind9.16-license","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16-license"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"bind9.16-utils","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bind9.16-utils"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}},{"package":{"name":"python3-bind9.16","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/python3-bind9.16"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"32:9.16.23-0.22.el8_10.16"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:79113.json"}}],"schema_version":"1.9.0"}