CVE-2021-42262: Buffer Overflow
An issue was discovered in Softing OPC UA C++ SDK before 5.70. An invalid XML element in the type dictionary makes the OPC/UA client crash due to an out-of-memory condition.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-42262?
CVE-2021-42262 is a vulnerability in Softing OPC UA C++ SDK before version 5.70 that can cause an out-of-memory condition and crash the OPC/UA client.
What is the severity of CVE-2021-42262?
The severity of CVE-2021-42262 is medium (CVSS 3.1 score of 6.5).
Which software is affected by CVE-2021-42262?
Softing Datafeed Opc Suite (up to version 5.19), Softing Opc Ua C++ Software Development Kit (between version 5.56.0 and 5.70.0), and Softing Secure Integration Server (up to version 1.22) are affected by CVE-2021-42262.
How can CVE-2021-42262 be exploited?
CVE-2021-42262 can be exploited by sending a specially crafted XML element in the type dictionary, causing an out-of-memory condition and crashing the OPC/UA client.
How can I fix CVE-2021-42262?
To fix CVE-2021-42262, users should update to Softing OPC UA C++ SDK version 5.70 or later.