{"id":"RLSA-2026:24365","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: Heap overflow and crash with multiple nsid, cookie, padding EDNS options (CVE-2026-42944)\n\n* unbound: Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in Chase-Reply Messages (CVE-2026-42959)\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.","modified":"2026-06-11T06:30:05.845894839Z","published":"2026-06-11T06:00:31.924636Z","upstream":["CVE-2026-42944","CVE-2026-42959"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:24365"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2479774"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2479806"}],"affected":[{"package":{"name":"unbound","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/unbound?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.16.2-5.11.el8_10"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:24365.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}