Red Hat Security Advisory

RHSA-2026:53734

OpenShift Virtualization v4.21 Images

Released 2026-08-11 · Red Hat rating Important · View on Red Hat →

Fixed in

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

TI-2026-29554 CVE-2026-40898 · GHSA-vvgj-x9jq-8cj9

LOW 39

quic-go is an implementation of the QUIC protocol in Go.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00396 Published 2026-06-04 Partial fix · 0.59.1 CWE-770