CVE-2026-8655
Multiple Memory overflow vulnerabilities leading to unpredictable or erroneous behavior and Denial of Service
HIGH 8.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.63 % · percentile 50 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- NetScaler
- NVD status
- Analyzed
Description
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
Weaknesses (CWE)
- CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | HIGH 8.8 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L | NetScaler |
| CVSS 4.0 | HIGH 8.8 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/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 | NVD · 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 (Secondary) |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-40308
- GCVE · GCVE-0-2026-8655
CERT-FR advisories
- CERTFR-2026-AVI-0822 — Multiples vulnérabilités dans les produits Citrix · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*< 13.1-37.272cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*< 13.1-37.272cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*≥ 13.1 < 13.1-63.18cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*≥ 14.1 < 14.1-72.61cpe:2.3:a:citrix:netscaler_application_delivery_controller:14.1-66.68:*:*:*:fips:*:*:*cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*≥ 13.1 < 13.1-63.18cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*≥ 14.1 < 14.1-72.61
Affected products
| Product | Versions |
|---|---|
| NetScaler · ADC | affected 14.1 < 72.61 ; affected 13.1 < 63.18 ; affected 14.1 FIPS < 72.61 ; affected 13.1 FIPS and NDcPP < 37.272 |
| NetScaler · Gateway | affected 14.1 < 72.61 ; affected 13.1 < 63.18 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |