{"schema_version": "1.7.0", "id": "RLSA-2026:98629", "modified": "2026-11-13T12:07:25.457460Z", "published": "2026-11-13T12:06:37.188502Z", "upstream": ["CVE-2026-69184", "CVE-2026-69186"], "summary": "Important: c-ares security update", "details": "The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.\n\nSecurity Fix(es):\n\n* c-ares: c-ares: Denial of Service via unvalidated DNS header record counts (CVE-2026-69186)\n\n* c-ares: c-ares: CPU exhaustion denial of service via unbounded DNS name compression pointer chains (CVE-2026-69184)\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:N/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debuginfo", "purl": "pkg:rpm/rocky-linux/c-ares-debuginfo?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares", "purl": "pkg:rpm/rocky-linux/c-ares?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debugsource", "purl": "pkg:rpm/rocky-linux/c-ares-debugsource?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-devel", "purl": "pkg:rpm/rocky-linux/c-ares-devel?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debuginfo", "purl": "pkg:rpm/rocky-linux/c-ares-debuginfo?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debugsource", "purl": "pkg:rpm/rocky-linux/c-ares-debugsource?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares", "purl": "pkg:rpm/rocky-linux/c-ares?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-devel", "purl": "pkg:rpm/rocky-linux/c-ares-devel?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debugsource", "purl": "pkg:rpm/rocky-linux/c-ares-debugsource?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares", "purl": "pkg:rpm/rocky-linux/c-ares?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-devel", "purl": "pkg:rpm/rocky-linux/c-ares-devel?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debuginfo", "purl": "pkg:rpm/rocky-linux/c-ares-debuginfo?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debugsource", "purl": "pkg:rpm/rocky-linux/c-ares-debugsource?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares", "purl": "pkg:rpm/rocky-linux/c-ares?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-debuginfo", "purl": "pkg:rpm/rocky-linux/c-ares-debuginfo?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "BaseOS"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "c-ares-devel", "purl": "pkg:rpm/rocky-linux/c-ares-devel?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-5.el10_3.2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:98629"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2538212"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2538396"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:98629"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:98629"}}