Firetruck

CVE-2025-5777

KEV · Ransomware
Updated Oct 7, 2026 · PUBLISHED
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Description

Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.

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Affected packages

PackageVendor / ProductVersion rangeStatus
ADCNetScaler / ADC>= 13.1, < 58.32affected
ADCNetScaler / ADC>= 14.1, < 43.56affected
GatewayNetScaler / Gateway>= 13.1, < 58.32affected
GatewayNetScaler / Gateway>= 14.1, < 43.56affected