{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107406","assignerOrgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","state":"PUBLISHED","assignerShortName":"NetScaler","dateReserved":"2026-10-08T00:18:26.020Z","datePublished":"2026-10-08T21:18:08.336Z","dateUpdated":"2026-10-10T03:55:21.152Z"},"containers":{"cna":{"providerMetadata":{"orgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","shortName":"NetScaler","dateUpdated":"2026-10-08T21:18:08.336Z"},"title":"Memory overflow vulnerability leading to Remote Code Execution or Denial of Service","datePublic":"2026-10-08T21:00:00.000Z","affected":[{"vendor":"NetScaler","product":"ADC","versions":[{"status":"affected","version":"0","lessThan":"14.1-73.46","versionType":"patch"},{"status":"affected","version":"0","lessThan":"13.1-64.29","versionType":"patch"},{"status":"affected","version":"0","lessThan":"14.1-73.46 FIPS","versionType":"patch"},{"status":"affected","version":"0","lessThan":"13.1.37.283 FIPS","versionType":"patch"}],"defaultStatus":"unaffected"},{"vendor":"NetScaler","product":"Gateway","versions":[{"status":"affected","version":"0","lessThan":"14.1-73.46","versionType":"patch"},{"status":"affected","version":"0","lessThan":"13.1-64.29","versionType":"patch"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Memory overflow vulnerability leading to Remote Code Execution or Denial of Service Vulnerability in NetScaler ADC.\n\n\nNetScaler ADC or NetScaler Gateway must be configured as a SAML SP or SAML IdP, subject to the following version-specific requirements:\n\n\n\n \n\n  *  For the following versions: Applicable only when configured as a SAML IdP:\n  *  NetScaler ADC and NetScaler Gateway between 14.1-73.37 and 14.1-73.41, inclusive\n  *  NetScaler ADC 14.1-FIPS between 14.1-73.37 FIPS and 14.1-73.41 FIPS, inclusive\n  *  NetScaler ADC and NetScaler Gateway between 13.1-64.23 and 13.1-64.28, inclusive\n  *  NetScaler ADC 13.1-FIPS between 13.1-NDcPP 13.1-37.279 and 13.1- 37.282, inclusive\n\n\n\n\n \n\n\n\nFor the following versions: Applicable only when configured as a SAML SP or SAML IdP:\n\n  *  NetScaler ADC and NetScaler Gateway before 14.1-73.37 \n  *  NetScaler ADC 14.1-FIPS before 14.1-73.37 FIPS \n  *  NetScaler ADC and NetScaler Gateway before 13.1-64.23\n  *  NetScaler ADC 13.1-FIPS before13.1-NDcPP 13.1-37.279","supportingMedia":[{"type":"text/html","base64":false,"value":"Memory overflow vulnerability leading to Remote Code Execution or Denial of Service Vulnerability in NetScaler ADC.<div><br><p>NetScaler ADC or NetScaler Gateway must be configured as a SAML SP or SAML IdP, subject to the following version-specific requirements:</p><p>&nbsp;</p><ul><li>For the following versions: Applicable only when configured as a&nbsp;SAML IdP:</li><li>NetScaler ADC and NetScaler Gateway between 14.1-73.37 and 14.1-73.41, inclusive</li><li>NetScaler ADC 14.1-FIPS between 14.1-73.37 FIPS and 14.1-73.41 FIPS, inclusive</li><li>NetScaler ADC and NetScaler Gateway between 13.1-64.23 and 13.1-64.28, inclusive</li><li>NetScaler ADC 13.1-FIPS between 13.1-NDcPP 13.1-37.279 and 13.1- 37.282, inclusive</li></ul><p>&nbsp;</p><p>For the following versions: Applicable only when configured as a&nbsp;SAML SP or SAML IdP:</p><ul><li>NetScaler ADC and NetScaler Gateway before 14.1-73.37&nbsp;</li><li>NetScaler ADC 14.1-FIPS before 14.1-73.37 FIPS&nbsp;</li><li>NetScaler ADC and NetScaler Gateway before 13.1-64.23</li><li>NetScaler ADC 13.1-FIPS before13.1-NDcPP 13.1-37.279</li></ul></div>"}]}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697191"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","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":"CRITICAL","baseScore":9.5,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}],"references":[{"url":"https://community.citrix.com/techzone-blogs/110_security-updates/protecting-customers-immediate-guidance-for-cve-2026-107406-in-netscaler-adc-and-netscaler-gateway-r1631/","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-09T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-107406"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-10T03:55:21.152Z"}}]}}