{"schema_version": "1.7.0", "id": "RLSA-2025:21111", "modified": "2025-11-21T18:18:12.968379Z", "published": "2025-11-21T18:13:51.682496Z", "upstream": ["CVE-2025-40778", "CVE-2025-40780", "CVE-2025-8677"], "summary": "Important: bind9.18 security update", "details": "BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), which resolves host names to IP addresses; a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating properly.\n\nSecurity Fix(es):\n\n* bind: Cache poisoning attacks with unsolicited RRs (CVE-2025-40778)\n\n* bind: Cache poisoning due to weak PRNG (CVE-2025-40780)\n\n* bind: Resource exhaustion via malformed DNSKEY handling (CVE-2025-8677)\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:C/C:N/I:H/A:N"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "bind9.18", "purl": "pkg:rpm/rocky-linux/bind9.18?distro=rocky-linux-9&epoch=2"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "2:9.18.29-5.el9_7.2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2025:21111"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405827"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405829"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405830"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}