CVE-2026-8655

Multiple Memory overflow vulnerabilities leading to unpredictable or erroneous behavior and Denial of Service

State: Published
Severity: 8.8 High
Published: Jun 30, 2026
Updated: Jun 30, 2026
Reserved: May 15, 2026

Description

Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment

Scores

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

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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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