Memory Overflow Vulnerability in Citrix NetScaler ADC and Gateway
CVE-2025-7776

8.8HIGH

Key Information:

Vendor

Netscaler
Status
Adc
Gateway
Vendor
CVE Published:
26 August 2025

What is CVE-2025-7776?

This vulnerability in Citrix NetScaler ADC and NetScaler Gateway arises from a memory overflow, which can cause unpredictable behavior and lead to a Denial of Service when configured as a Gateway with a PCoIP Profile. This situation exposes users to potential disruptions in service and operational instability.

Affected Version(s)

ADC 14.1 < 47.48

ADC 13.1 < 59.22

ADC 13.1 FIPS and NDcPP < 37.241

References

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

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-7776 : Memory Overflow Vulnerability in Citrix NetScaler ADC and Gateway