{"id":"ALSA-2026:36320","summary":"Important: unbound security update","details":"The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.   \n\nSecurity Fix(es):  \n\n  * unbound: Unbound: Denial of Service via excessive EDNS options (CVE-2026-41292)\n  * unbound: Unbound: Cache manipulation via 'ghost domain names' attack (CVE-2026-40622)\n  * unbound: Unbound: Denial of Service due to excessive resource consumption with large DNS Resource Record Sets (CVE-2026-44390)\n  * unbound: Unbound: Denial of Service due to degraded resolution performance in jostle logic (CVE-2026-42534)\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":"2026-07-31T15:59:58.727878704Z","published":"2026-07-07T00:00:00Z","related":["CVE-2026-40622","CVE-2026-41292","CVE-2026-42534","CVE-2026-44390"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36320"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-40622"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-41292"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42534"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-44390"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2480125"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2480130"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2480131"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-36320.html"}],"affected":[{"package":{"name":"python3-unbound","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/python3-unbound"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.2-7.el10_2.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:36320.json"}},{"package":{"name":"unbound","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/unbound"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.2-7.el10_2.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:36320.json"}},{"package":{"name":"unbound-anchor","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/unbound-anchor"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.2-7.el10_2.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:36320.json"}},{"package":{"name":"unbound-devel","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/unbound-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.2-7.el10_2.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:36320.json"}},{"package":{"name":"unbound-dracut","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/unbound-dracut"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.2-7.el10_2.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:36320.json"}},{"package":{"name":"unbound-libs","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/unbound-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.2-7.el10_2.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:36320.json"}},{"package":{"name":"unbound-utils","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/unbound-utils"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.2-7.el10_2.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:36320.json"}}],"schema_version":"1.7.5"}