NCSC-2026-0399 [1.00] [M/H] Kwetsbaarheid verholpen in Citrix NetScaler ADC en NetScaler Gateway — NCSC-2026-0399

Summary

Citrix heeft een kwetsbaarheid verholpen in NetScaler ADC en NetScaler Gateway. De kwetsbaarheid betreft een geheugenoverflow in versies van NetScaler ADC en NetScaler Gateway die ouder zijn dan 14.1-73.41 en 13.1-64.28. Deze kwetsbaarheid kan leiden tot een Denial of Service (DoS) waarbij de normale beschikbaarheid van de dienst wordt verstoord.

Timeline

Published by source

2026-10-04

Risk context

• Reported severity or threat level: high.
• Review exposure for the affected product or family: Security advisory.

Product

Security advisory

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source

Evidence and provenance

Canonical advisory ID

NCSC-2026-0399

Source

NCSC-NL

Vendor

NCSC-NL

Published by source

2026-10-04

Last source activity

2026-10-04

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.