CVE-2026-8452Denegación de servicio en Citrix NetScaler ADC y Gateway
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.
Ver en NVDAnálisis
Esta vulnerabilidad de desbordamiento de memoria afecta a Citrix NetScaler ADC y Gateway configurados como servidores VPN o AAA. Un atacante puede provocar una denegación de servicio y comportamiento erróneo en el dispositivo. CISA confirma que este fallo está siendo explotado activamente en entornos reales.
Roles relevantes
Severidad
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCWE-119CISA KEV
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.
EPSS
Afecta
citrix:netscaler_application_delivery_controllercitrix:netscaler_gatewayDescripción técnica
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