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.
\"}], \"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.\"}], \"metrics\": [{\"cvssV4_0\": {\"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"attackVector\": \"NETWORK\", \"baseScore\": 8.7, \"baseSeverity\": \"HIGH\", \"exploitMaturity\": \"NOT_DEFINED\", \"privilegesRequired\": \"NONE\", \"providerUrgency\": \"NOT_DEFINED\", \"subAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"valueDensity\": \"NOT_DEFINED\", \"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\", \"version\": \"4.0\", \"vulnAvailabilityImpact\": \"HIGH\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-10-04T02:35:35.525Z\", \"orgId\": \"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\", \"shortName\": \"NetScaler\"}, \"references\": [{\"url\": \"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174\"}], \"source\": {\"discovery\": \"UNKNOWN\"}, \"title\": \"Memory overflow vulnerability leading to Denial of Service\", \"x_generator\": {\"engine\": \"Vulnogram 1.0.5\"}}}, \"cveMetadata\": {\"assignerOrgId\": \"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\", \"assignerShortName\": \"NetScaler\", \"cveId\": \"CVE-2026-88779\", \"datePublished\": \"2026-10-04T02:35:35.525Z\", \"dateReserved\": \"2026-09-10T07:14:57.370Z\", \"dateUpdated\": \"2026-10-05T03:55:38.096Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":1,"cve":"CVE-2026-88779","id":33,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2026-88779\", \"cwes\": [\"CWE-119\"], \"dateAdded\": \"2026-10-04\", \"dueDate\": \"2026-10-07\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174 ; https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-88779\", \"product\": \"NetScaler\", \"requiredAction\": \"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\\u2019s \\u201cForensics Triage Requirements\\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\", \"shortDescription\": \"Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for a denial of service.\", \"vendorProject\": \"Citrix\", \"vulnerabilityName\": \"Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability\"}"}],"record":{"affected":[{"defaultStatus":"unaffected","product":"ADC","vendor":"NetScaler","versions":[{"lessThan":"14.1-73.41","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"13.1-64.28","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"14.1-73.41 FIPS","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"13.1-37.282","status":"affected","version":"0","versionType":"Patch"}]},{"defaultStatus":"unaffected","product":"Gateway","vendor":"NetScaler","versions":[{"lessThan":"14.1-73.41","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"13.1-64.28","status":"affected","version":"0","versionType":"Patch"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-88779","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-10-04T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2026-10-04","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-05T03:55:38.096Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["vendor-advisory"],"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":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"}],"timeline":[{"lang":"en","time":"2026-10-04T00:00:00.000Z","value":"CVE-2026-88779 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"ADC","vendor":"NetScaler","versions":[{"lessThan":"14.1-73.41","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"13.1-64.28","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"14.1-73.41 FIPS","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"13.1-37.282","status":"affected","version":"0","versionType":"Patch"}]},{"defaultStatus":"unaffected","product":"Gateway","vendor":"NetScaler","versions":[{"lessThan":"14.1-73.41","status":"affected","version":"0","versionType":"Patch"},{"lessThan":"13.1-64.28","status":"affected","version":"0","versionType":"Patch"}]}],"datePublic":"2026-10-04T02:19:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Vulnerability in NetScaler ADC and NetScaler Gateway.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.
"}],"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."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"dateUpdated":"2026-10-04T02:35:35.525Z","orgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","shortName":"NetScaler"},"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174"}],"source":{"discovery":"UNKNOWN"},"title":"Memory overflow vulnerability leading to Denial of Service","x_generator":{"engine":"Vulnogram 1.0.5"}}},"cveMetadata":{"assignerOrgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","assignerShortName":"NetScaler","cveId":"CVE-2026-88779","datePublished":"2026-10-04T02:35:35.525Z","dateReserved":"2026-09-10T07:14:57.370Z","dateUpdated":"2026-10-05T03:55:38.096Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794111601,"cve":"CVE-2026-88779","description":"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.","epss":{"date":"2026-11-12","epss":0.11388,"percentile":0.96054},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2026-88779","cwes":["CWE-119"],"dateAdded":"2026-10-04","dueDate":"2026-10-07","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174 ; https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-88779","product":"NetScaler","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","shortDescription":"Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for a denial of service.","vendorProject":"Citrix","vulnerabilityName":"Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability"},"kev_checked":1794522003,"products":"NetScaler ADC, NetScaler Gateway","references":["https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174","https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"],"score":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","provider":"NetScaler","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"solutions":"","state":"PUBLISHED","title":"Memory overflow vulnerability leading to Denial of Service","updated_at":1794500401,"workarounds":""},"sources":[]}