Vulnerability record/PUBLISHED/Published Nov 13, 2026 07:45:26 UTC

CVE-2026-111339

Memory overflow in Application Firewall data decompression/inspection can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway.

Base score6.9/ 10

SeverityMediumCVSS 4.0

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorLocalAV

Attack complexityLowAC

Attack requirementsNoneAT

Privileges requiredLowPR

User interactionActiveUI

Vulnerable system confidentialityHighVC

Vulnerable system integrityHighVI

Vulnerable system availabilityLowVA

Subsequent system confidentialityLowSC

Subsequent system integrityLowSI

Subsequent system availabilityLowSA

CVSS vector stringCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityNetScaler

Last updatedNov 13, 2026 07:45:26 UTC

PublishedNov 13, 2026 07:45:26 UTC

ReservedOct 15, 2026 20:47:37 UTC