CVE-2026-67866: n/a
CVE-2026-67866 is a buffer overflow vulnerability in Systerel S2OPC version 1.7.3. It allows a remote attacker to cause a denial of service via specific client wrapper functions related to deleting monitored items. The vulnerability has a high severity score of 7.5 and does not impact confidentiality or integrity but affects availability.
AI Analysis
Technical Summary
This vulnerability involves a buffer overflow in Systerel S2OPC 1.7.3 within the client wrapper functions LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems. Exploitation can lead to denial of service by crashing or destabilizing the client application when processing delete monitored items responses.
Potential Impact
The vulnerability can be exploited remotely without privileges or user interaction to cause a denial of service condition, impacting the availability of the affected client. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time.
CVE-2026-67866: n/a
Description
CVE-2026-67866 is a buffer overflow vulnerability in Systerel S2OPC version 1.7.3. It allows a remote attacker to cause a denial of service via specific client wrapper functions related to deleting monitored items. The vulnerability has a high severity score of 7.5 and does not impact confidentiality or integrity but affects availability.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a buffer overflow in Systerel S2OPC 1.7.3 within the client wrapper functions LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems. Exploitation can lead to denial of service by crashing or destabilizing the client application when processing delete monitored items responses.
Potential Impact
The vulnerability can be exploited remotely without privileges or user interaction to cause a denial of service condition, impacting the availability of the affected client. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-07-30T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a73bc29bf8831d53990b44b
Added to database: 08/05/2026, 22:41:45 UTC
Last enriched: 08/13/2026, 17:35:01 UTC
Last updated: 09/18/2026, 01:15:54 UTC
Views: 57
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