CVE-2026-67872

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

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/monitored_item_notification_queue_bs.c
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/bgenc/subscription_core.c
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/validation_tests/client/toolkit_test_client_modify_event_queue.c
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/validation_tests/server/toolkit_test_server.c
https://gitlab.com/systerel/S2OPC/-/work_items/1788
https://gitlab.com/systerel/S2OPC/-/work_items/1788

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-06 00:16

Updated : 2026-08-31 19:33

NVD link : CVE-2026-67872

Mitre link : CVE-2026-67872

CVE.ORG link : CVE-2026-67872

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

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