{"schema_version": "1.7.0", "id": "RLSA-2026:42096", "modified": "2026-07-22T12:07:44.570699Z", "published": "2026-07-22T12:05:54.429340Z", "upstream": ["CVE-2026-33630"], "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: Use-after-free / double-free in query-completion handling (CVE-2026-33630)\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", "purl": "pkg:rpm/rocky-linux/c-ares?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.34.6-2.el10_2"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:42096"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2497686"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}