CVE-2026-8655

8.8 highEPSS 0.6%

High (8.8) in citrix. EPSS 0.6% chance of exploitation in the next 30 days.

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

Severity

CVSS 4.0

8.8 high

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2026-06-30
Modified: 2026-07-01
Record from: the NVD, synced 2026-10-19

Affected

citrix:netscaler_application_delivery_controller
citrix:netscaler_gateway

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604

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