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CVE-2026-13474 Denial of service via malformed HTTP/2 requests

🗓️ 30 Jun 2026 13:03:40Reported by NetScalerType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

Denial of service from malformed HTTP/2 requests on NetScaler ADC and Gateway when HTTP/2 is enabled in the profile linked to a virtual server or service.

Related
Affected
Refs
[
  {
    "vendor": "NetScaler",
    "product": "ADC",
    "versions": [
      {
        "status": "affected",
        "version": "14.1",
        "lessThan": "72.61",
        "versionType": "patch"
      },
      {
        "status": "affected",
        "version": "13.1",
        "lessThan": "63.18",
        "versionType": "patch"
      },
      {
        "status": "affected",
        "version": "14.1 FIPS",
        "lessThan": "72.61",
        "versionType": "patch"
      },
      {
        "status": "affected",
        "version": "13.1 FIPS and NDcPP",
        "lessThan": "37.272",
        "versionType": "patch"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "NetScaler",
    "product": "Gateway",
    "versions": [
      {
        "status": "affected",
        "version": "14.1",
        "lessThan": "72.61",
        "versionType": "patch"
      },
      {
        "status": "affected",
        "version": "13.1",
        "lessThan": "63.18",
        "versionType": "patch"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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