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    CVE-2026-8655

    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

    Published:Jun 30, 2026
    Last Modified:Jun 30, 2026
    EPS:Jun 30, 2026
    EPSS Score:
    CVSS Score:8.8

    Affected Products

    Vendor
    Netscaler
    Product
    Adc
    Vendor
    Netscaler
    Product
    Gateway

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-19490 (CVSS 9.3) — Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and fro…
    CVE-2026-19489 (CVSS 8.8) — Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and fro…
    CVE-2026-13474 (CVSS 8.7) — Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in…
    CVE-2026-10817 (CVSS 6.9) — Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP Tim…
    CVE-2026-10816 (CVSS 7.1) — Arbitrary File Read (Unauthenticated) in NetScaler ADC and NetScaler Gateway if the access to NSIP, Cluster Ma…
    CVE-2026-8452 (CVSS 8.8) — Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavi…
    CVE-2026-8451 (CVSS 8.8) — Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler A…
    CVE-2026-3055 (CVSS 9.3) — Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to …
    CVE-2026-4368 (CVSS 7.7) — Race Condition in NetScaler ADC and NetScaler Gateway when appliance is configured as Gateway (SSL VPN, ICA Pr…
    CVE-2025-12101 (CVSS 5.9) — Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gatewa…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High