CVE-2026-67867CWE-122

CVE-2026-67867

High · published August 6, 2026

CVSS v3.1

7.5

EPSS

Percentile

56.8

In the wild

Unconfirmed

What it is

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

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: 0.00820 · 56.8th percentile
Weakness: CWE-122 · Heap-based Buffer Overflow
Published: 2026-08-06T03:16Z

References (6)

https://github.com/gff-cw/information/issues/18 · [email protected]https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/address_space/sopc_event_manager.c · [email protected]https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/frontend/client_wrapper/alarm_conditions/libs2opc_client_alarm_conditions.c · [email protected]https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/frontend/client_wrapper/internal/state_machine.c · [email protected]https://gitlab.com/systerel/S2OPC/-/work_items/1781 · [email protected]https://github.com/gff-cw/information/issues/18 · 134c704f-9b21-4f2e-91b3-4a467353bcc0

EPSS history

Timeline

05 AUG 00:00Z
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…
cvelistv5