{"schema_version": "1.7.0", "id": "RLSA-2026:36320", "modified": "2026-07-28T18:07:48.033327Z", "published": "2026-07-28T18:05:53.082410Z", "upstream": ["CVE-2026-40622", "CVE-2026-41292", "CVE-2026-42534", "CVE-2026-44390"], "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: Unbound: Denial of Service via excessive EDNS options (CVE-2026-41292)\n\n* unbound: Unbound: Cache manipulation via 'ghost domain names' attack (CVE-2026-40622)\n\n* unbound: Unbound: Denial of Service due to excessive resource consumption with large DNS Resource Record Sets (CVE-2026-44390)\n\n* unbound: Unbound: Denial of Service due to degraded resolution performance in jostle logic (CVE-2026-42534)\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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "unbound", "purl": "pkg:rpm/rocky-linux/unbound?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.24.2-7.el10_2.2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:36320"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480125"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480127"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480130"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480131"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}