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CVE-2026-63362 o6 Automation open62541 Integer Underflow

🗓️ 30 Jul 2026 22:01:48Reported by icscertType 
cvelist
 cvelist
🔗 www.cve.org👁 46 Views

CVE-2026-63362: Open62541 PubSub signature verify underflow may enable remote denial of service via crafted UDP packet.

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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30 Jul 2026 22:01Current
CVSS 3.15.9
CVSS 48.2
EPSS0.01822
SSVC
46