{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8655","assignerOrgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","state":"PUBLISHED","assignerShortName":"NetScaler","dateReserved":"2026-05-15T06:14:09.794Z","datePublished":"2026-06-30T12:46:28.140Z","dateUpdated":"2026-06-30T13:33:48.823Z"},"containers":{"cna":{"providerMetadata":{"orgId":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","shortName":"NetScaler","dateUpdated":"2026-06-30T12:58:38.118Z"},"title":"Multiple Memory overflow vulnerabilities leading to unpredictable or erroneous behavior and Denial of Service","datePublic":"2026-06-30T12:00:00.000Z","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":"Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment","supportingMedia":[{"type":"text/html","base64":false,"value":"<span>Multiple Memory overflow vulnerabilities in&nbsp;</span><span>NetScaler ADC and NetScaler Gateway&nbsp;</span><span>leading to unpredictable or erroneous behavior and Denial of Service if&nbsp;</span><span>NetScaler ADC is configured as an LB of type Oracle&nbsp;</span><strong>OR&nbsp;</strong><span>NetScaler ADC is configured as a DNS Proxy&nbsp;</span><strong>OR</strong><span>&nbsp;</span><span>NetScaler ADC is configured as a DNS recursive resolver deployment</span><br>"}]}],"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":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","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":8.8,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-30T13:33:42.732082Z","id":"CVE-2026-8655","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":"2026-06-30T13:33:48.823Z"}}]}}