CVE-2026-67866: n/a
A buffer overflow vulnerability exists in Systerel S2OPC version 1.7.3. This flaw allows a remote attacker to cause a denial of service by exploiting the client wrapper functions DeleteMonitoredItems path, specifically via LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems.
AI Analysis
Technical Summary
CVE-2026-67866 is a buffer overflow vulnerability in Systerel S2OPC 1.7.3. The vulnerability occurs in the client wrapper's DeleteMonitoredItems path, involving the functions LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems. Exploitation can lead to a denial of service condition. The CVSS v3.1 score is 7.5 (High), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability.
Potential Impact
Successful exploitation results in denial of service, impacting the availability of the affected Systerel S2OPC client. There is no reported impact on confidentiality or integrity. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Users should monitor vendor communications for updates and apply patches once available.
CVE-2026-67866: n/a
Description
A buffer overflow vulnerability exists in Systerel S2OPC version 1.7.3. This flaw allows a remote attacker to cause a denial of service by exploiting the client wrapper functions DeleteMonitoredItems path, specifically via LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-67866 is a buffer overflow vulnerability in Systerel S2OPC 1.7.3. The vulnerability occurs in the client wrapper's DeleteMonitoredItems path, involving the functions LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems. Exploitation can lead to a denial of service condition. The CVSS v3.1 score is 7.5 (High), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability.
Potential Impact
Successful exploitation results in denial of service, impacting the availability of the affected Systerel S2OPC client. There is no reported impact on confidentiality or integrity. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Users should monitor vendor communications for updates and apply patches once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-9m32-jq6f-7wh4
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-67866"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a74cf82bf8831d5391ace5b
Added to database: 08/06/2026, 18:16:34 UTC
Last enriched: 08/06/2026, 18:26:41 UTC
Last updated: 08/07/2026, 03:40:59 UTC
Views: 3
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