{"id":"RHSA-2026:26638","summary":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","modified":"2026-06-20T10:04:56Z","published":"2026-06-18T10:10:00Z","upstream":["CVE-2026-45491","CVE-2026-45591","CVE-2026-45736"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:26638"},{"type":"ARTICLE","url":"https://images.redhat.com/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-45591"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-45491"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-45736"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26638.json"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487164"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-45491"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45491"},{"type":"ARTICLE","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45491"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487224"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-45591"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45591"},{"type":"ARTICLE","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477914"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-45736"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45736"},{"type":"ARTICLE","url":"https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086"},{"type":"ARTICLE","url":"https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx"}],"affected":[{"package":{"name":"aspnetcore-runtime-10.0","ecosystem":"Red Hat:hummingbird:1","purl":"pkg:rpm/redhat/aspnetcore-runtime-10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.9-1.hum1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:26638.json"}},{"package":{"name":"dotnet10.0","ecosystem":"Red Hat:hummingbird:1","purl":"pkg:rpm/redhat/dotnet10.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.0.109-1.hum1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:26638.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:N"}]}