Out-of-Bounds Read in S2OPC Leading to DoS

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: MITRE

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 Scores

EPSS Scores

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Meta Information

Published

2026-08-05

Last Modified

2026-08-05

Generated

2026-08-06

AI Q&A

2026-08-06

EPSS Evaluated

N/A

NVD

CVE-2026-67865

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

S2OPC 1.7.3 has an out-of-bounds read vulnerability in the RepublishResponse handling. This means when processing certain responses, the software reads data beyond the allocated memory buffer. A remote attacker could exploit this to cause a denial of service by crashing the system.

Impact Analysis

This vulnerability could allow an attacker to disrupt the availability of services using S2OPC 1.7.3. If exploited, it may cause the affected system to crash or become unresponsive, leading to downtime and potential loss of functionality.

Mitigation Strategies

Update S2OPC to version 1.7.3 or later to address the out-of-bounds read issue in RepublishResponse handling.

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