CVE-2026-36499

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A missing upper-bound check in the udpif_set_threads() function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service (DoS) via resource exhaustion.

Published 2026-06-04. Last modified 2026-07-22.