CVE-2026-67867

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data

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/18
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/address_space/sopc_event_manager.c
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/frontend/client_wrapper/alarm_conditions/libs2opc_client_alarm_conditions.c
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/frontend/client_wrapper/internal/state_machine.c
https://gitlab.com/systerel/S2OPC/-/work_items/1781
https://github.com/gff-cw/information/issues/18

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 del wrapper de Alarm/Conditions al procesar datos de PublishResponse EventNotificationList.

Information

Published : 2026-08-05 23:16

Updated : 2026-10-24 16:10

NVD link : CVE-2026-67867

Mitre link : CVE-2026-67867

CVE.ORG link : CVE-2026-67867

JSON object : View

Products Affected

No product.

CWE

CWE-122

Heap-based Buffer Overflow

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