{"id":"ALSA-2026:54509","summary":"Important: bind9.16 security 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: Potential wildcard CNAME RPZ policy bypass (CVE-2026-11331)\n  * bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field (CVE-2026-13321)\n  * bind: bind9: Potential memory usage beyond configured limits (CVE-2026-11622)\n  * bind: bind9: Cache poisoning via label count discrepancy, RRSIG, wildcards (CVE-2026-11721)\n  * bind: bind9: Unexpected exit with NSEC and NSEC3 both present (CVE-2026-13204)\n  * bind: bind9: Incorrect acceptance of NSEC3 records (CVE-2026-10723)\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":"2026-08-14T13:11:56.398816092Z","published":"2026-08-13T00:00:00Z","related":["CVE-2026-10723","CVE-2026-11331","CVE-2026-11622","CVE-2026-11721","CVE-2026-13204","CVE-2026-13321"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:54509"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-10723"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-11331"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-11622"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-11721"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-13204"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-13321"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2503721"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2504166"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2504298"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2504338"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2504447"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2504560"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.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_10.12"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:54509.json"}}],"schema_version":"1.9.0"}