CVE catalog
CVE-2026-8452
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,
- Severity
- High · CVSS 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 1.01% · Oct 25, 2026
Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability which could lead to denial of service.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | netscaler_application_delivery_controller | Not reported | 13.1-37.272 | fixed |
| Cpe | netscaler_application_delivery_controller | Not reported | 13.1-63.18 | fixed |
| Cpe | netscaler_application_delivery_controller | Not reported | 14.1-72.61 | fixed |
| Cpe | netscaler_application_delivery_controller | Not reported | Not reported | unknown |
| Cpe | netscaler_gateway | Not reported | 13.1-63.18 | fixed |
| Cpe | netscaler_gateway | Not reported | 14.1-72.61 | fixed |
| Cpe | netscaler_application_delivery_controller | Not reported | Not reported | unknown |
| Cpe | netscaler_gateway | Not reported | 14.1-72.61 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | netscaler_application_delivery_controller | cpe | Not reported | 13.1-37.272 | Not reported | Not reported | Not reported |
| Cpe | netscaler_application_delivery_controller | cpe | Not reported | 13.1-63.18 | Not reported | Not reported | Not reported |
| Cpe | netscaler_application_delivery_controller | cpe | Not reported | 14.1-72.61 | Not reported | Not reported | Not reported |
| Cpe | netscaler_gateway | cpe | Not reported | 13.1-63.18 | Not reported | Not reported | Not reported |
| Cpe | netscaler_gateway | cpe | Not reported | 14.1-72.61 | Not reported | Not reported | Not reported |
| Cpe | netscaler_gateway | cpe | Not reported | 14.1-72.61 | Not reported | NVD-CVE-2026-8452 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-8452]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2147.json]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
[CERT-Bund public advisories] · [CISA Known Exploited Vulnerabilities (OSINT)] · [FIRST EPSS] · [National Vulnerability Database (NVD)]