{"id":"RLSA-2026:72427","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* resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses (CVE-2026-80212)\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":"2026-09-29T12:30:06.965629500Z","published":"2026-09-29T12:10:25.697024Z","upstream":["CVE-2026-80212"],"database_specific":{"source_advisory":"RHSA-2026:72427","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:72427"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2525066"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72427"}],"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":"0:4.0.6-37.el10_2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:72427.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}