{"id":"CLSA-2026-1790590437","summary":"unbound: Fix of CVE-2026-81642","details":"- CVE-2026-81642: check the scratch buffer capacity in\n  ds_create_dnskey_digest() before writing the DNSKEY owner name and RDATA, so\n  a DNSKEY whose owner name is a compression pointer into its own RDATA can no\n  longer overflow the digest buffer during DS validation; includes the upstream\n  unit test that exercises the bound with an undersized buffer","modified":"2026-10-26T09:30:50.804229950Z","published":"2026-09-28T10:14:08Z","upstream":["CVE-2026-81642"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1790590437.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81642"}],"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.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1790590437.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.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1790590437.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.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1790590437.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.els15"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1790590437.json"}}],"schema_version":"1.9.0"}