{"schema_version": "1.7.0", "id": "RLSA-2026:20596", "modified": "2026-05-28T15:44:34.682784Z", "published": "2026-05-28T15:43:06.024531Z", "upstream": ["CVE-2026-33210", "CVE-2026-41316"], "summary": "Important: ruby:4.0 security update", "details": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* ruby/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection (CVE-2026-33210)\n\n* erb: ERB: Arbitrary code execution via deserialization bypass (CVE-2026-41316)\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:H/I:N/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "rubygem-mysql2", "purl": "pkg:rpm/rocky-linux/rubygem-mysql2?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:0.5.7-1.module+el9.8.0+40094+ce01217c"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:9", "name": "rubygem-pg", "purl": "pkg:rpm/rocky-linux/rubygem-pg?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.6.3-1.module+el9.8.0+40094+ce01217c"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:20596"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449871"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461369"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}