CVE-2026-67867: n/a
CVE-2026-67867 is a buffer overflow vulnerability in Systerel S2OPC version 1.7.3. It allows a remote attacker to cause a denial of service by exploiting the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data. The vulnerability has a high severity with a CVSS score of 7.5 and does not impact confidentiality or integrity but affects availability.
AI Analysis
Technical Summary
This vulnerability is a buffer overflow (CWE-122) in Systerel S2OPC 1.7.3 that can be triggered remotely without authentication. The flaw occurs in the Alarm/Conditions wrapper component when handling PublishResponse EventNotificationList data, leading to a denial of service condition. No known exploits are reported in the wild. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
Successful exploitation results in denial of service, causing the affected application to crash or become unresponsive. There is no impact on confidentiality or integrity according to the CVSS vector. This could disrupt services relying on Systerel S2OPC 1.7.3's Alarm/Conditions functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, consider restricting network access to the affected service to trusted sources to reduce exposure.
CVE-2026-67867: n/a
Description
CVE-2026-67867 is a buffer overflow vulnerability in Systerel S2OPC version 1.7.3. It allows a remote attacker to cause a denial of service by exploiting the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data. The vulnerability has a high severity with a CVSS score of 7.5 and does not impact confidentiality or integrity but affects availability.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a buffer overflow (CWE-122) in Systerel S2OPC 1.7.3 that can be triggered remotely without authentication. The flaw occurs in the Alarm/Conditions wrapper component when handling PublishResponse EventNotificationList data, leading to a denial of service condition. No known exploits are reported in the wild. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
Successful exploitation results in denial of service, causing the affected application to crash or become unresponsive. There is no impact on confidentiality or integrity according to the CVSS vector. This could disrupt services relying on Systerel S2OPC 1.7.3's Alarm/Conditions functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, consider restricting network access to the affected service to trusted sources to reduce exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-5rwg-mfvp-wq7w
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-67867"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a74cf82bf8831d5391ace66
Added to database: 08/06/2026, 18:16:34 UTC
Last enriched: 08/06/2026, 18:26:49 UTC
Last updated: 08/07/2026, 03:40:59 UTC
Views: 2
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