{"id":"RLSA-2026:20606","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.","modified":"2026-06-04T12:30:17.669123399Z","published":"2026-06-04T12:04:37.164871Z","upstream":["CVE-2026-33210","CVE-2026-41316"],"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"}],"affected":[{"package":{"name":"ruby4.0","ecosystem":"Rocky Linux:10","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"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:20606.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}