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.
History

Thu, 04 Jun 2026 19:45:00 +0000

Type Values Removed Values Added
Title Open vSwitch Resource Exhaustion via Missing Thread Bound Check
Weaknesses CWE-399

Thu, 04 Jun 2026 19:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 04 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Description 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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-04T18:43:31.463Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36499

cve-icon Vulnrichment

Updated: 2026-06-04T18:39:16.014Z

cve-icon NVD

Status : Received

Published: 2026-06-04T19:16:28.563

Modified: 2026-06-04T19:16:28.563

Link: CVE-2026-36499

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-04T19:30:21Z