UpHeron
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Servers and applications

CVE-2025-7776

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it

Severity
High 8.8
Published
26 Aug 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
12.1-55.330, 13.1-37.241, 13.1-59.22, 14.1-47.48
Sources
NVD

Affected software

SoftwareAffected versions
NetScaler ADC and GatewayServers and applications · cpe:a:citrix:netscaler_application_delivery_controller
  • From 12.1 before 12.1-55.330
  • From 13.1 before 13.1-37.241
  • From 13.1 before 13.1-59.22
  • From 14.1 before 14.1-47.48
NetScaler ADC and GatewayServers and applications · cpe:a:citrix:netscaler_gateway
  • From 13.1 before 13.1-59.22
  • From 14.1 before 14.1-47.48

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-7776
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-7776