CVE-2026-8451

Insufficient input validation leading to memory overread

State: Published
Severity: 8.8 High
Published: Jun 30, 2026
Updated: Jun 30, 2026
Reserved: May 13, 2026

Description

Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP

Scores

CVSS	Score	Vector	Source
4.0	8.8 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N	NetScaler

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
ADCNetScaler	14.1 to before 72.61Affected 13.1 to before 63.18Affected 14.1 FIPs to before 72.61Affected 13.1 FIPS and NDcPP to before 37.272Affected
GatewayNetScaler	14.1 to before 72.61Affected 13.1 to before 63.18Affected

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604

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