CVE-2026-107409

Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler

Published Nov 13, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Citrix
Citrix gateway
Citrix netscaler Adc
Citrix netscaler Gateway
Vendors & Products Citrix
Citrix gateway
Citrix netscaler Adc
Citrix netscaler Gateway
Type Values Removed Values Added
Description Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in NetScaler ADC and NetScaler Gateway. Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler
Title Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in NetScaler ADC and NetScaler Gateway Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler
Type Values Removed Values Added
Description Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in NetScaler ADC and NetScaler Gateway.
Title Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in NetScaler ADC and NetScaler Gateway
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

No weakness.

Sources

Status
PUBLISHED
Assigner
NetScaler
Published
Updated
Nov 13, 2026, 2:18 AM
Reserved
Oct 8, 2026, 12:18 AM
Status
Received
Published
Nov 13, 2026, 2:18 AM
Modified
Nov 13, 2026, 3:17 AM