Security update for kubevirt

Open Source Vulnerabilities SUSE-SU-2026:2400-1

This update for kubevirt fixes the following issues: Update to version 1.7.4, fixes various go embedded security issues: - CVE-2025-47911: golang.org/x/net/html: various algorithms with quadratic complexity when parsing HTML documents (bsc#1251420). - CVE-2025-47913: golang.org/x/crypto/ssh/agent: client process termination when receiving an unexpected message type in response to a key listing or signing request (bsc#1253559). - CVE-2025-47914: golang.org/x/crypto/ssh/agent: non validated message size can cause a panic due to an out of bounds read (bsc#1254014). - CVE-2025-58181: golang.org/x/crypto/ssh: invalidated number of mechanisms can cause unbounded memory consumption (bsc#1253935). - CVE-2025-58190: golang.org/x/net/html: excessive memory consumption by `html.ParseFragment` when processing specially crafted input (bsc#1251615). - CVE-2026-7374: virt-handler: Privilege escalation and node compromise via symlink following vulnerability (bsc#1265467). - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header (bsc#1260234). Release notes https://github.com/kubevirt/kubevirt/releases/tag/v1.7.4