CVE Details
CVE-2026-8452
Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
Published: 2026-08-26
CVSS: 8.8 HIGH
Product: Citrix NetScaler ADC and NetScaler Gateway
Due Date: 2026-08-29
Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability which could lead to denial of service.
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FIRST EPSS
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Show Raw Data
| Key | Remaining Key | Value |
|---|---|---|
| dataType | CVE_RECORD | |
| dataVersion | 5.2 | |
| cveMetadata > | cveId | CVE-2026-8452 |
| cveMetadata > | assignerOrgId | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 |
| cveMetadata > | state | PUBLISHED |
| cveMetadata > | assignerShortName | NetScaler |
| cveMetadata > | dateReserved | 2026-05-13T00:35:55.317Z |
| cveMetadata > | datePublished | 2026-06-30T12:41:07.622Z |
| cveMetadata > | dateUpdated | 2026-08-26T17:44:58.849Z |
| containers > | cna > providerMetadata > orgId | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 |
| containers > | cna > providerMetadata > shortName | NetScaler |
| containers > | cna > providerMetadata > dateUpdated | 2026-06-30T12:57:25.158Z |
| containers > | cna > title | Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service |
| containers > | cna > datePublic | 2026-06-30T12:00:00.000Z |
| containers > | cna > affected > 0 > vendor | NetScaler |
| containers > | cna > affected > 0 > product | ADC |
| containers > | cna > affected > 0 > versions > 0 > status | affected |
| containers > | cna > affected > 0 > versions > 0 > version | 14.1 |
| containers > | cna > affected > 0 > versions > 0 > lessThan | 72.61 |
| containers > | cna > affected > 0 > versions > 0 > versionType | patch |
| containers > | cna > affected > 0 > versions > 1 > status | affected |
| containers > | cna > affected > 0 > versions > 1 > version | 13.1 |
| containers > | cna > affected > 0 > versions > 1 > lessThan | 63.18 |
| containers > | cna > affected > 0 > versions > 1 > versionType | patch |
| containers > | cna > affected > 0 > versions > 2 > status | affected |
| containers > | cna > affected > 0 > versions > 2 > version | 14.1 FIPS |
| containers > | cna > affected > 0 > versions > 2 > lessThan | 72.61 |
| containers > | cna > affected > 0 > versions > 2 > versionType | patch |
| containers > | cna > affected > 0 > versions > 3 > status | affected |
| containers > | cna > affected > 0 > versions > 3 > version | 13.1 FIPS and NDcPP |
| containers > | cna > affected > 0 > versions > 3 > lessThan | 37.272 |
| containers > | cna > affected > 0 > versions > 3 > versionType | patch |
| containers > | cna > affected > 0 > defaultStatus | unaffected |
| containers > | cna > affected > 1 > vendor | NetScaler |
| containers > | cna > affected > 1 > product | Gateway |
| containers > | cna > affected > 1 > versions > 0 > status | affected |
| containers > | cna > affected > 1 > versions > 0 > version | 14.1 |
| containers > | cna > affected > 1 > versions > 0 > lessThan | 72.61 |
| containers > | cna > affected > 1 > versions > 0 > versionType | patch |
| containers > | cna > affected > 1 > versions > 1 > status | affected |
| containers > | cna > affected > 1 > versions > 1 > version | 13.1 |
| containers > | cna > affected > 1 > versions > 1 > lessThan | 63.18 |
| containers > | cna > affected > 1 > versions > 1 > versionType | patch |
| containers > | cna > affected > 1 > defaultStatus | unaffected |
| containers > | cna > descriptions > 0 > lang | en |
| containers > | cna > descriptions > 0 > value | Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > type | text/html |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > base64 | False |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > value | <span>Memory overflow vulnerability </span><span>NetScaler ADC and NetScaler Gateway </span><span>leading to unpredictable or erroneous behavior and Denial of Service if the a</span><span>ppliance is configured as a </span><span>Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or </span><span>AAA virtual server</span><br> |
| containers > | cna > references > 0 > url | https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604 |
| containers > | cna > metrics > 0 > format | CVSS |
| containers > | cna > metrics > 0 > scenarios > 0 > lang | en |
| containers > | cna > metrics > 0 > scenarios > 0 > value | GENERAL |
| containers > | cna > metrics > 0 > cvssV4_0 > attackVector | NETWORK |
| containers > | cna > metrics > 0 > cvssV4_0 > attackComplexity | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > attackRequirements | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > privilegesRequired | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > userInteraction | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnConfidentialityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > subConfidentialityImpact | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnIntegrityImpact | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > subIntegrityImpact | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnAvailabilityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > subAvailabilityImpact | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > exploitMaturity | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > Safety | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > Automatable | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > Recovery | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > valueDensity | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnerabilityResponseEffort | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > providerUrgency | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > version | 4.0 |
| containers > | cna > metrics > 0 > cvssV4_0 > baseSeverity | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > baseScore | 8.8 |
| containers > | cna > metrics > 0 > cvssV4_0 > vectorString | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:L/SI:L/SA:L |
| containers > | cna > source > discovery | UNKNOWN |
| containers > | cna > x_generator > engine | Vulnogram 1.0.2 |
| containers > | adp > 0 > metrics > 0 > other > type | ssvc |
| containers > | adp > 0 > metrics > 0 > other > content > id | CVE-2026-8452 |
| containers > | adp > 0 > metrics > 0 > other > content > role | CISA Coordinator |
| containers > | adp > 0 > metrics > 0 > other > content > options > 0 > Exploitation | active |
| containers > | adp > 0 > metrics > 0 > other > content > options > 1 > Automatable | yes |
| containers > | adp > 0 > metrics > 0 > other > content > options > 2 > Technical Impact | partial |
| containers > | adp > 0 > metrics > 0 > other > content > version | 2.0.3 |
| containers > | adp > 0 > metrics > 0 > other > content > timestamp | 2026-08-26T17:44:29.767073Z |
| containers > | adp > 0 > references > 0 > url | https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8452 |
| containers > | adp > 0 > references > 0 > tags > 0 | government-resource |
| containers > | adp > 0 > problemTypes > 0 > descriptions > 0 > lang | en |
| containers > | adp > 0 > problemTypes > 0 > descriptions > 0 > type | CWE |
| containers > | adp > 0 > problemTypes > 0 > descriptions > 0 > cweId | CWE-119 |
| containers > | adp > 0 > problemTypes > 0 > descriptions > 0 > description | CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer |
| containers > | adp > 0 > title | CISA ADP Vulnrichment |
| containers > | adp > 0 > providerMetadata > orgId | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| containers > | adp > 0 > providerMetadata > shortName | CISA-ADP |
| containers > | adp > 0 > providerMetadata > dateUpdated | 2026-08-26T17:44:58.849Z |