{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107409", "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "state": "PUBLISHED", "assignerShortName": "NetScaler", "dateReserved": "2026-10-08T00:18:26.021Z", "datePublished": "2026-11-13T02:05:45.195Z", "dateUpdated": "2026-11-13T02:18:07.762Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "shortName": "NetScaler", "dateUpdated": "2026-11-13T02:18:07.762Z"}, "title": "Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler", "datePublic": "2026-11-12T23:05:00.000Z", "affected": [{"vendor": "Citrix NetScaler", "product": "ADC", "versions": [{"status": "affected", "version": "0", "lessThan": "14.1-73.57", "versionType": "patch"}, {"status": "affected", "version": "0", "lessThan": "13.1-64.39", "versionType": "patch"}, {"status": "affected", "version": "0", "lessThan": "14.1-73.58 FIPS", "versionType": "patch"}, {"status": "affected", "version": "0", "lessThan": "13.1-37.293 FIPs and NDcPP", "versionType": "patch"}], "defaultStatus": "unaffected"}, {"vendor": "Citrix NetScaler", "product": "Gateway", "versions": [{"status": "affected", "version": "0", "lessThan": "14.1-73.57", "versionType": "patch"}, {"status": "affected", "version": "0", "lessThan": "13.1-64.39", "versionType": "patch"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler"}]}], "references": [{"url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697305"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "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": "CRITICAL", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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