HIGHCVSS v3.1 8.1Vulnerability
CVE-2026-116014
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.
Properties
- Cvss score
- 8.1
- First seen
- 2026-10-24T11:40:32+00:00
- Last seen
- 2026-10-24T11:40:32+00:00
- Euvd assigner
- VulnCheck
- Retrieved at
- 2026-10-24T14:37:54+00:00
- Src batch id
- euvd-20261024T123401Z-809143
- Source url
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-109272
- Score
- 8.1
- Euvd base score version
- 4.0
- Fetched at
- 2026-10-24T12:34:20+00:00
- Euvd vendor
- open62541
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-10-24T12:34:21+00:00
- Euvd base score
- 9.2
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Content hash
- 82aa608253d1bdeb76ba3c83a3f109d250110fefa74dd8a56fe0d462d995eefe
- Published at
- 2026-10-24T12:16:57.607
- Last modified
- 2026-10-24T12:16:57.607
- Euvd updated
- 2026-10-24T11:40:32+00:00
- Euvd epss pct
- 0
Related Entities (1)
HAS_WEAKNESS (1)
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