{"id":"RLSA-2026:33565","summary":"Important: ruby 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: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses (CVE-2026-42245)\n\n* ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments (CVE-2026-42258)\n\n* net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS (CVE-2026-42246)\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":"2026-07-05T12:30:05.963022418Z","published":"2026-07-05T12:05:09.130757Z","upstream":["CVE-2026-42245","CVE-2026-42246","CVE-2026-42258"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:33565"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468495"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468499"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468498"}],"affected":[{"package":{"name":"ruby","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/ruby?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.3.10-13.el10_2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:33565.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}