{"id":"CLSA-2026-1780477611","summary":"unbound: Fix of 5 CVEs","details":"- CVE-2026-42960: prevent cache poisoning via promiscuous additional-section\n  records by marking glue only for NS RRsets in the authority section\n  [ELSCVE-130594]\n- CVE-2026-42944: fix heap overflow and crash with multiple NSID and PADDING\n  EDNS options by deduplicating options and adding bounds checks in\n  attach_edns_record_max_msg_sz [ELSCVE-130649]\n- CVE-2026-41292: cap parsed EDNS options at MAX_PARSED_EDNS_OPTIONS (100)\n  to prevent DoS via long option lists [ELSCVE-130636]\n- CVE-2026-42959: fix out-of-bounds write in val_fill_reply by indexing the\n  destination array with chase-\u003ens_numrrsets instead of orig-\u003ens_numrrsets\n  [ELSCVE-130615]\n- CVE-2026-40622: prevent ghost-domain TTL extension by clamping newd-\u003ettl\n  to cached-\u003ettl in the higher-trust branch of need_to_update_rrset\n  [ELSCVE-129354]","modified":"2026-10-26T09:43:51.124851166Z","published":"2026-06-03T09:07:07Z","upstream":["CVE-2026-40622","CVE-2026-41292","CVE-2026-42944","CVE-2026-42959","CVE-2026-42960"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1780477611.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40622"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41292"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42944"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42959"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42960"}],"affected":[{"package":{"name":"python3-unbound","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/python3-unbound?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-3.el9_2.tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780477611.json"}},{"package":{"name":"unbound","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/unbound?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-3.el9_2.tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780477611.json"}},{"package":{"name":"unbound-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/unbound-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-3.el9_2.tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780477611.json"}},{"package":{"name":"unbound-libs","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/unbound-libs?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-3.el9_2.tuxcare.els6"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780477611.json"}}],"schema_version":"1.9.0"}