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1 vulnerability found for by open62541

CVE-2026-116014 (GCVE-0-2026-116014)
Vulnerability from cvelistv5
Published
2026-10-24 11:40
Modified
2026-10-29 16:08
CWE
  • CWE-190 - Integer Overflow or Wraparound
Summary
open62541 1.5.0 before 1.5.7 contains an integer overflow in UA_DataType_fromStructureDescription() that wraps the 16-bit memSize field for large custom structure definitions. A malicious OPC UA server can supply DataType definitions via UA_Client_getRemoteDataTypes(), causing decodeBinaryStructure() to overflow the heap, crashing clients or enabling code execution.
Impacted products
Vendor Product Version
open62541 open62541 Version: 1.5.0   ≤
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Show details on NVD website


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