CVE-2026-65423

HIGH

o6 Automation open62541 Integer Overflow or Wraparound

Title source: cna
STIX 2.1

Description

An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to trigger an out-of-bounds write.

References (7)

Core 7

Scores

CVSS v3 8.8
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (4)
o6 Automation/open62541 1.3.0 - 1.3.17
o6 Automation/open62541 1.4.0 - 1.4.16
o6 Automation/open62541 1.5.0 - 1.5.4
o6 Automation/open62541 master
Published Jul 30, 2026
Tracked Since Jul 31, 2026