CVE-2026-8655 HIGH

CVE-2026-8655: Multiple Memory overflow vulnerabilities leading to unpredictable or erroneous behavior and Denial of Service

Vendor Netscaler
Product ADC
Published June 30, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 30, 2026 CVE published
June 30, 2026 Record updated