CVE-2026-67872CWE-400denial-of-service

CVE-2026-67872

High · published August 6, 2026

CVSS v3.1

7.5

EPSS

1%

Percentile

54.7

In the wild

Unconfirmed

What it is

An issue in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the event monitored-item queue resize handling

The record

Technical detail

CVSS v3.1: 7.5 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0: Not supplied
EPSS: 0.00759 · 54.7th percentile
Weakness: CWE-400 · Uncontrolled Resource Consumption
Published: 2026-08-06T04:16Z

References (6)

https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/monitored_item_notification_queue_bs.c · [email protected]https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/bgenc/subscription_core.c · [email protected]https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/validation_tests/client/toolkit_test_client_modify_event_queue.c · [email protected]https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/validation_tests/server/toolkit_test_server.c · [email protected]https://gitlab.com/systerel/S2OPC/-/work_items/1788 · [email protected]https://gitlab.com/systerel/S2OPC/-/work_items/1788 · 134c704f-9b21-4f2e-91b3-4a467353bcc0

EPSS history

Timeline

05 AUG 00:00Z
An issue in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the event monitored-item queue resize handling
cvelistv5