HIGH 7.5 Microsoft
CVE-2025-11234
Qemu-kvm: vnc websocket handshake use-after-free
Microsoft Security Update 2025-Oct: Qemu-kvm: vnc websocket handshake use-after-free
Affected Products
- azl3 qemu 8.2.0-19 on Azure Linux 3.0
- cbl2 qemu 6.2.0-24 on CBL Mariner 2.0
- azl3 qemu 8.2.0-21 on Azure Linux 3.0
- azl3 qemu 8.2.0-23 on Azure Linux 3.0
- cbl2 qemu 6.2.0-25 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-11234
- https://nvd.nist.gov/vuln/detail/CVE-2025-11234
This high severity vulnerability with a CVSS score of 7.5 was published on 2025-10-14 via Microsoft. Affected: azl3 qemu 8.2.0-19 on Azure Linux 3.0, cbl2 qemu 6.2.0-24 on CBL Mariner 2.0, azl3 qemu 8.2.0-21 on Azure Linux 3.0 and 2 more.
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