Red Hat Security Advisory

RHSA-2026:27879

OpenShift Virtualization v4.21 Images

Released 2026-06-22 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Container Native Virtualization 4.21 registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9

TI-2026-29849 CVE-2026-41240 · GHSA-h7mw-gpvr-xq4m

MEDIUM 60

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG.

CVSS 4.0MEDIUM 6.0 Network No auth User interaction EPSS 0.00313 Published 2026-04-23 Partial fix · 3.4.0 CWE-183