{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-88779", "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "state": "PUBLISHED", "assignerShortName": "NetScaler", "dateReserved": "2026-09-10T07:14:57.370Z", "datePublished": "2026-10-04T02:35:35.525Z", "dateUpdated": "2026-10-05T03:55:38.096Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "shortName": "NetScaler", "dateUpdated": "2026-10-04T02:35:35.525Z"}, "title": "Memory overflow vulnerability  leading to Denial of Service", "datePublic": "2026-10-04T02:19:00.000Z", "affected": [{"vendor": "NetScaler", "product": "ADC", "versions": [{"status": "affected", "version": "0", "lessThan": "14.1-73.41", "versionType": "Patch"}, {"status": "affected", "version": "0", "lessThan": "13.1-64.28", "versionType": "Patch"}, {"status": "affected", "version": "0", "lessThan": "14.1-73.41 FIPS", "versionType": "Patch"}, {"status": "affected", "version": "0", "lessThan": "13.1-37.282", "versionType": "Patch"}], "defaultStatus": "unaffected"}, {"vendor": "NetScaler", "product": "Gateway", "versions": [{"status": "affected", "version": "0", "lessThan": "14.1-73.41", "versionType": "Patch"}, {"status": "affected", "version": "0", "lessThan": "13.1-64.28", "versionType": "Patch"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.<p>This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.</p>"}]}], "references": [{"url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"}], "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": "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": "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:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}, "x_gcve": [{"vulnId": "CVE-2026-88779", "recordType": "advisory"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-04T00:00:00+00:00", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-88779"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-10-04", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"}}}], "references": [{"url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/", "tags": ["vendor-advisory"]}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-05T03:55:38.096Z"}, "timeline": [{"time": "2026-10-04T00:00:00.000Z", "lang": "en", "value": "CVE-2026-88779 added to CISA KEV"}]}]}}