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2026-06-30
Citrix NetScaler ADC and Gateway Memory Overflow Vulnerability (CVE-2026-8452) Critical Security Advisory
[Affected Scope] Citrix NetScaler ADC and NetScaler Gateway appliances configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
[Impact] Unauthenticated remote attackers can trigger a memory overflow, leading to unpredictable behavior, Denial of Service (DoS), or potential Remote Code Execution (RCE)
[Mitigation] Immediately apply the official security patches provided by Citrix and restrict external access to affected virtual servers