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CVE-2026-65423 o6 Automation open62541 Integer Overflow or Wraparound

🗓️ 30 Jul 2026 21:59:06Reported by icscertType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

CVE-2026-65423: Integer overflow in UA_Variant arrayDimensions in open62541 may allow a remote attacker to trigger an out-of-bounds write.

Related
Affected
Refs
[
  {
    "vendor": "o6 Automation",
    "product": "open62541",
    "platforms": [
      "Windows",
      "Linux"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.3.0",
        "lessThanOrEqual": "1.3.17",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "1.4.0",
        "lessThanOrEqual": "1.4.16",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "1.5.0",
        "lessThanOrEqual": "1.5.4",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "master"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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24 Aug 2026 17:52Current
CVSS 48.7
CVSS 3.18.8
EPSS0.00799
SSVC
41