{"schema_version": "1.7.0", "id": "RLSA-2026:20606", "modified": "2026-06-04T12:05:40.099369Z", "published": "2026-06-04T12:04:37.164871Z", "upstream": ["CVE-2026-33210", "CVE-2026-41316"], "summary": "Important: ruby4.0 security update", "details": "Ruby is the interpreted scripting language for quick and easy object-oriented programming.  It has many features to process text files and to do system management tasks (as in Perl).  It is simple, straight-forward, and extensible.\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:10", "name": "ruby4.0", "purl": "pkg:rpm/rocky-linux/ruby4.0?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.0.3-34.el10_2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:20606"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461369"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449871"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}