Memory overflow vulnerability leading to Remote Code Execution or Denial of Service Vulnerability in NetScaler ADC.
NetScaler ADC or NetScaler Gateway must be configured as a SAML SP or SAML IdP, subject to the following version-specific requirements:
* For the following versions: Applicable only when configured as a SAML IdP:
* NetScaler ADC and NetScaler Gateway between 14.1-73.37 and 14.1-73.41, inclusive
* NetScaler ADC 14.1-FIPS between 14.1-73.37 FIPS and 14.1-73.41 FIPS, inclusive
* NetScaler ADC and NetScaler Gateway between 13.1-64.23 and 13.1-64.28, inclusive
* NetScaler ADC 13.1-FIPS between 13.1-NDcPP 13.1-37.279 and 13.1- 37.282, inclusive
For the following versions: Applicable only when configured as a SAML SP or SAML IdP:
* NetScaler ADC and NetScaler Gateway before 14.1-73.37
* NetScaler ADC 14.1-FIPS before 14.1-73.37 FIPS
* NetScaler ADC and NetScaler Gateway before 13.1-64.23
* NetScaler ADC 13.1-FIPS before13.1-NDcPP 13.1-37.279
CVE-2026-88778 is a high-severity vulnerability in Citrix NetScaler ADC and Gateway involving predictable exact values derived from previous values. This weakness can affect versions before 14.1-73.37 and 13.1-64.23 for ADC and Gateway products, including certain FIPS and NDcPP variants. The vulnerability is classified under CWE-342, indicating issues with predictable values that may weaken security mechanisms.
CVE-2026-88777 is a memory overflow vulnerability in Citrix NetScaler ADC and Gateway products. It affects versions prior to 14.1-73.37 and 13.1-64.23, including certain FIPS and NDcPP variants. The flaw can cause unpredictable or erroneous behavior, including denial of service conditions. The vulnerability has a high severity rating with a CVSS 4.0 score of 8.8. No known exploits in the wild have been reported. The vendor has not provided explicit patch links or advisories in the provided data.
CVE-2026-88776 is a memory overflow vulnerability in Citrix NetScaler ADC and Gateway products. It affects versions prior to 14.1-73.37 and 13.1-64.23, including specific FIPS and NDcPP builds. The flaw can cause unpredictable or erroneous behavior and may lead to Denial of Service conditions. The vulnerability has a high severity rating with a CVSS 4.0 score of 8.8. No known exploits are reported in the wild. This issue is categorized under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer).
CVE-2026-88775 is a memory overflow vulnerability in Citrix NetScaler ADC and Gateway products. It affects versions prior to 14.1-73.37 and 13.1-64.23, including FIPS and NDcPP variants. The flaw can cause unpredictable or erroneous behavior, including denial of service. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits are reported in the wild. The vendor has not provided explicit patch links or advisories in the provided data.
CVE-2026-88773 is a critical vulnerability in Citrix NetScaler ADC and Gateway involving inconsistent interpretation of HTTP requests, known as HTTP Request/Response smuggling. This flaw affects multiple versions of the ADC and Gateway products prior to specific fixed releases. The vulnerability has a high CVSS 4.0 score of 9.3, indicating a severe risk. No known exploits are reported in the wild. The issue can lead to significant impact due to the nature of HTTP request smuggling attacks.
CVE-2026-88774 is a high-severity vulnerability in Citrix NetScaler ADC and Gateway products. It allows a feature policy bypass due to improper use of HTTP URL based expressions. The issue affects multiple versions prior to 14.1-73.37 and 13.1-64.23, including FIPS and NDcPP variants. The vulnerability has a CVSS 4.0 score of 7.0, indicating a network attack vector with low complexity but partial impact on confidentiality and integrity. No known exploits are reported in the wild. No vendor advisory or patch information is provided in the input data.
Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.
This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to Remote Code Execution or Denial of Service
Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.
This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to an unauthenticated attacker to execute arbitrary commands.
Vulnerability in NetScaler ADC and NetScaler Gateway.
This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
CVE-2026-19489 is a high-severity vulnerability affecting NetScaler ADC and NetScaler Gateway products. It impacts versions from 13.1 through 63.21 and from 14.1 through 73.32. The vulnerability has a CVSS 4.0 base score of 8.8, indicating a significant security risk. No public exploits are currently known. There is no explicit vendor advisory or patch information provided in the input data.
Citrix heeft kwetsbaarheden verholpen in NetScaler ADC en NetScaler Gateway die verband houden met onvoldoende invoervalidatie, onjuiste toegangscontrole en het onjuist vrijgeven van geheugen.
Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
Arbitrary File Read (Unauthenticated) in NetScaler ADC and NetScaler Gateway if the access to NSIP, Cluster Management IP or SNIP with management access is enabled
Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment
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
Race Condition in NetScaler ADC and NetScaler Gateway when appliance is configured as Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server leading to User Session Mixup
Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
