CVE-2026-67867

HIGH

CVE: CVE-2026-67867 - Buffer Overflow vulnerability in Systerel S2OPC 1Sign in to save

CVSS

7.5

CVSS v3.1

EPSS

0.5%

Exploit Prediction Score

Published

August 5, 2026

Exploitability

EPSS probability 0.5%

Description

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

Weaknesses

CWE-122

Affected Packages

No package data available.

Aliases

CVE-2026-67867

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

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/lib…
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/frontend/client_wrapper/internal/state_machi…
https://gitlab.com/systerel/S2OPC/-/work_items/1781