CVE-2026-67866

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path

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/gff-cw/information/issues/16
https://github.com/systerel/S2OPC/blob/master/samples/ClientServer/client_wrapper/examples/subscribe.c
https://github.com/systerel/S2OPC/blob/master/src/ClientServer/frontend/client_wrapper/internal/state_machine.c
https://gitlab.com/systerel/S2OPC/-/work_items/1780
https://github.com/gff-cw/information/issues/16

Configurations

No configuration.

History

23 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de desbordamiento de búfer en Systerel S2OPC 1.7.3 permite a un atacante remoto causar una denegación de servicio a través de LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse y SOPC_StaMac_NewDeleteMonitoredItems en la ruta DeleteMonitoredItems del wrapper del cliente.

Information

Published : 2026-08-05 23:16

Updated : 2026-10-24 16:10

NVD link : CVE-2026-67866

Mitre link : CVE-2026-67866

CVE.ORG link : CVE-2026-67866

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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