{"id":"CLSA-2026-1785490706","summary":"unbound: Fix of 3 CVEs","details":"- CVE-2024-43167: guard against a NULL forward-zone name in ub_ctx_set_fwd\n  to prevent a NULL pointer dereference\n- CVE-2026-44690: reject RRSIG label counts below the signer label count and\n  restrict wildcard rrset cache updates to the signer authority, deferring\n  the cache write until the proof succeeds\n- CVE-2026-56416: bound the second domain name in canonicalized RDATA and\n  reject multi-dname RRs whose rdata ends early, preventing a heap buffer\n  overflow","modified":"2026-10-26T09:31:24.699218479Z","published":"2026-07-31T09:38:38Z","upstream":["CVE-2024-43167","CVE-2026-44690","CVE-2026-56416"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1785490706.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43167"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44690"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56416"}],"affected":[{"package":{"name":"python3-unbound","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-unbound?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-19.el9_6.1.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785490706.json"}},{"package":{"name":"unbound","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/unbound?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-19.el9_6.1.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785490706.json"}},{"package":{"name":"unbound-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/unbound-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-19.el9_6.1.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785490706.json"}},{"package":{"name":"unbound-dracut","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/unbound-dracut?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-19.el9_6.1.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785490706.json"}},{"package":{"name":"unbound-libs","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/unbound-libs?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-19.el9_6.1.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785490706.json"}}],"schema_version":"1.9.0"}