CVE-2023-28831 (published 2023-09-12T09:32:06.153Z)
The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation.

This could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate.
Affected products: Vendor: Siemens
Product: SIMATIC BRAUMAT
Versions: All versions < V8.1 SP1