{"id":"RHSA-2026:36978","summary":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","modified":"2026-07-15T10:09:22Z","published":"2026-07-13T10:07:10Z","upstream":["CVE-2026-42257","CVE-2026-42258"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36978"},{"type":"ARTICLE","url":"https://images.redhat.com/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42257"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42258"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_36978.json"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468494"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-42257"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42257"},{"type":"ARTICLE","url":"https://github.com/ruby/net-imap/releases/tag/v0.4.24"},{"type":"ARTICLE","url":"https://github.com/ruby/net-imap/releases/tag/v0.5.14"},{"type":"ARTICLE","url":"https://github.com/ruby/net-imap/releases/tag/v0.6.4"},{"type":"ARTICLE","url":"https://github.com/ruby/net-imap/security/advisories/GHSA-hm49-wcqc-g2xg"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468498"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-42258"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42258"},{"type":"ARTICLE","url":"https://github.com/ruby/net-imap/security/advisories/GHSA-75xq-5h9v-w6px"}],"affected":[{"package":{"name":"ruby4.0","ecosystem":"Red Hat:hummingbird:1","purl":"pkg:rpm/redhat/ruby4.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.0.5-35.hum1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:36978.json"}},{"package":{"name":"ruby4.0-default-gems","ecosystem":"Red Hat:hummingbird:1","purl":"pkg:rpm/redhat/ruby4.0-default-gems"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.0.5-35.hum1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:36978.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N"}]}