CVE-2026-36499

EUVD-2026-34317
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 25.38%
Debian logo
Debian Releases
Debian Product
Codename
openvswitch
bookworm
undetermined
bookworm (security)
undetermined
bullseye
undetermined
bullseye (security)
undetermined
forky
undetermined
sid
undetermined
trixie
undetermined
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openvswitch
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
needs-triage