MEDIUM 4.7 Microsoft

CVE-2025-64434

KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing

Microsoft Security Update 2025-Nov: KubeVirt Improper TLS Certificate Management Handling Allows API Identity Spoofing

Affected Products

cbl2 kubevirt 0.59.0-30 on CBL Mariner 2.0
cbl2 kubevirt 0.59.0-31 on CBL Mariner 2.0
azl3 kubevirt 1.5.0-5 on Azure Linux 3.0
cbl2 kubevirt 0.59.0-33 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64434
https://nvd.nist.gov/vuln/detail/CVE-2025-64434

Published: 2025-11-11 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 4.7 was published on 2025-11-11 via Microsoft. Affected: cbl2 kubevirt 0.59.0-30 on CBL Mariner 2.0, cbl2 kubevirt 0.59.0-31 on CBL Mariner 2.0, azl3 kubevirt 1.5.0-5 on Azure Linux 3.0 and 1 more.

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