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CVE-2026-33592 FindServers Memory Exhaustion in open62541

🗓️ 02 Jul 2026 07:12:24Reported by ENISAType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

An unauthenticated remote attacker can exhaustserver memory via the FindServers Discovery Service in open62541. TheserverUris field of FindServersRequest is not validated for length or arraysize. An attacker can declare an arbitrarily large string...

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Affected
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ReporterTitlePublishedViews
Family
CVE
CVE-2026-33592
2 Jul 202607:12
cve
NVD
CVE-2026-33592
2 Jul 202608:16
nvd
[
  {
    "vendor": "open62541 project / o6 Automation GmbH",
    "product": "open62541",
    "versions": [
      {
        "status": "affected",
        "version": "1.4.0",
        "lessThanOrEqual": "1.4.16",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "1.5.0",
        "lessThanOrEqual": "1.5.4",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "master",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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02 Jul 2026 07:12Current
CVSS 3.17.5
4