Vulnerability Description
A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter handling during CreateMonitoredItems processing. This allows a remote attacker to execute arbitrary code.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/gff-cw/information/issues/16
- https://github.com/systerel/S2OPC/blob/b4c5c7d63cd69698461d514b905a7c92b3c377c4/
- https://github.com/systerel/S2OPC/blob/b4c5c7d63cd69698461d514b905a7c92b3c377c4/
- https://github.com/systerel/S2OPC/tree/S2OPC_Toolkit_1.7.3/samples/ClientServer/
- https://gitlab.com/systerel/S2OPC/-/work_items/1779
- https://github.com/gff-cw/information/issues/16
FAQ
What is CVE-2026-67868?
CVE-2026-67868 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter handling during CreateMonitoredItems processing. This allows a remote attacker to execute arbitrary code...
How severe is CVE-2026-67868?
CVE-2026-67868 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-67868?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.