MEDIUM 5.9 Microsoft
CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed ftp epasv command
Microsoft Security Update 2026-May: Openvswitch: open vswitch: denial of service via malformed ftp epasv command
Affected Products
- azl3 openvswitch 3.3.0-3 on Azure Linux 3.0
- azl3 openvswitch 3.3.0-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34956
- https://nvd.nist.gov/vuln/detail/CVE-2026-34956
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-05-12 via Microsoft. Affected: azl3 openvswitch 3.3.0-3 on Azure Linux 3.0, azl3 openvswitch 3.3.0-2 on Azure Linux 3.0.
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