{"id":"CLSA-2026-1790264021","summary":"unbound: Fix of CVE-2026-81642","details":"- CVE-2026-81642: check the scratch buffer capacity in ds_create_dnskey_digest()\n  before writing the DNSKEY owner name and RDATA into it, so a DNSKEY whose\n  owner name plus RDATA exceeds the buffer can no longer overflow it","modified":"2026-10-26T09:30:55.762251533Z","published":"2026-09-24T15:33:51Z","upstream":["CVE-2026-81642"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1790264021.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81642"}],"affected":[{"package":{"name":"python3-unbound","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/python3-unbound?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-5.el8.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790264021.json"}},{"package":{"name":"unbound","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/unbound?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-5.el8.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790264021.json"}},{"package":{"name":"unbound-devel","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/unbound-devel?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-5.el8.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790264021.json"}},{"package":{"name":"unbound-libs","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/unbound-libs?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-5.el8.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790264021.json"}}],"schema_version":"1.9.0"}