HackZoneLabs News
Newsletter

CVE-2026-120868

Memory overflow in Packet Processing can lead to unpredictable or erroneous behavior or Denial of Service in NetScaler ADC and NetScaler Gateway

  • Critical 9.3

Description

Memory overflow in Packet Processing can lead to unpredictable or erroneous behavior or Denial of Service in NetScaler ADC and NetScaler Gateway.

Key facts

Published
12 Nov 2026
Last changed
12 Nov 2026
Assigned by
NetScaler
EPSS
0.289% likely to be exploited in the next 30 days, higher than 21.677% of CVEs (scores for 15 Nov 2026)

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.3CVSS 4.0, Criticalfrom the CNA (NetScaler)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Citrix NetScalerADC
  • Default status: unaffected
  • 0 up to but excluding 14.1-73.57 (affected)
  • 0 up to but excluding 13.1-64.39 (affected)
  • 0 up to but excluding 14.1-73.58 FIPS (affected)
  • 0 up to but excluding 13.1-37.293 FIPs and NDcPP (affected)
Citrix NetScalerGateway
  • Default status: unaffected
  • 0 up to but excluding 14.1-73.57 (affected)
  • 0 up to but excluding 13.1-64.39 (affected)

Timeline

  1. 12 Nov 2026 Published

References