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CVE-2026-88779

Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability.

Citrix · NetScaler

Exploitabilité (EPSS)
11.4 %
percentile mondial 96
Sévérité (CVSS)
·
non noté
Ajoutée au KEV
04 oct. 2026
échéance CISA · 07 oct. 2026
Description

Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for a denial of service.

Action requise (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Familles de faiblesses
CWE-119 · Débordement de tampon
Signal de priorisation (d’inspiration SSVC)
Examiner
Exploitation
Active (catalogue KEV)
Automatisable
Inconnu
Impact technique
Inconnu

Une orientation, pas une décision : le 4ᵉ facteur SSVC (impact mission/société) dépend du contexte de votre organisation. Méthode ↗

Suivi CERT-FR (ANSSI)
Multiples vulnérabilités dans Citrix NetScaler ADC et Gateway (28 septembre 2026) CERTFR-2026-ALE-011
Autres vulnérabilités exploitées · Citrix
CVE-2019-19781 100% CVE-2023-4966 100% CVE-2025-5777 100% CVE-2023-3519 100% CVE-2023-24489 97% CVE-2019-12989 95%
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