CVE-2026-67871

HIGH

CVE: CVE-2026-67871 - Buffer Overflow vulnerability in Systerel S2OPC 1Sign in to save

CVSS

7.5

CVSS v3.1

EPSS

0.5%

Exploit Prediction Score

Published

August 6, 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 AddNodes, address_space_bs.c, sopc_node_mgt_helper_internal.c, and toolkit_test_server

Weaknesses

CWE-120

Affected Packages

No package data available.

Aliases

CVE-2026-67871

Related references

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

https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/address_space/internal/sopc_node_mgt_helper_…
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/services/b2c/address_space_bs.c
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/CMakeLists.txt
https://gitlab.com/systerel/S2OPC/-/work_items/1787