Security update for kubevirt-1.6
This update for kubevirt-1.6 fixes the following issues Update to version 1.6.6, 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/v1.6.6
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for kubevirt-1.6 fixes the following issues Update to version 1.6.6, 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/v1.6.6
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1251420
- https://bugzilla.suse.com/1251615
- https://bugzilla.suse.com/1253559
- https://bugzilla.suse.com/1253935
- https://bugzilla.suse.com/1254014
- https://bugzilla.suse.com/1260234
- https://bugzilla.suse.com/1265467
- https://www.suse.com/security/cve/CVE-2025-47911
- https://www.suse.com/security/cve/CVE-2025-47913
- https://www.suse.com/security/cve/CVE-2025-47914
- https://www.suse.com/security/cve/CVE-2025-58181
- https://www.suse.com/security/cve/CVE-2025-58190
- https://www.suse.com/security/cve/CVE-2026-33186
- https://www.suse.com/security/cve/CVE-2026-7374
- https://www.suse.com/support/update/announcement/2026/suse-su-20262401-1/