{"schema_version": "1.7.0", "id": "RLSA-2026:19372", "modified": "2026-05-28T15:44:33.947648Z", "published": "2026-05-28T15:43:06.024531Z", "upstream": ["CVE-2026-42945"], "summary": "Critical: nginx:1.26 security update", "details": "nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. \n\nSecurity Fix(es):\n\n* nginx: NGINX: Arbitrary Code Execution Vulnerability (CVE-2026-42945)\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:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "nginx", "purl": "pkg:rpm/rocky-linux/nginx?distro=rocky-linux-9&epoch=2"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "2:1.26.3-9.module+el9.8.0+40194+40adfc1b"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:19372"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477116"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}