Vulnerability Description
S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/serv
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/ClientServer/serv
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/src/Common/opcua_type
- https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7.3/tests/ClientServer/CM
- https://gitlab.com/systerel/S2OPC/-/work_items/1785
- https://gitlab.com/systerel/S2OPC/-/work_items/1785
FAQ
What is CVE-2026-67865?
CVE-2026-67865 is a vulnerability with a CVSS score of 7.5 (HIGH). S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service
How severe is CVE-2026-67865?
CVE-2026-67865 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-67865?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.