{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13474","assignerOrgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","state":"PUBLISHED","assignerShortName":"NetScaler","dateReserved":"2026-06-26T22:24:26.657Z","datePublished":"2026-06-30T13:03:40.967Z","dateUpdated":"2026-06-30T13:27:27.938Z"},"containers":{"cna":{"providerMetadata":{"orgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","shortName":"NetScaler","dateUpdated":"2026-06-30T13:04:29.537Z"},"title":"Denial of service via malformed HTTP/2 requests","datePublic":"2026-06-30T12:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-401","description":"CWE-401 Missing release of memory after effective lifetime","type":"CWE"}]}],"affected":[{"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"}],"descriptions":[{"lang":"en","value":"Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><span>Denial of service via malformed HTTP/2 requests in&nbsp;</span><span>NetScaler ADC and NetScaler Gateway</span><span>&nbsp;if&nbsp;</span><span>HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler</span><br></div>"}]}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-30T13:27:19.468802Z","id":"CVE-2026-13474","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-30T13:27:27.938Z"}}]}}