PT-2026-53868 · Citrix · Netscaler Adc+1
CVE-2026-13474
·
Published
2026-06-30
·
Updated
2026-07-04
CVSS v4.0
8.7
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L |
Name of the Vulnerable Software and Affected Versions
NetScaler ADC (affected versions not specified)
NetScaler Gateway (affected versions not specified)
Description
A denial of service issue exists when HTTP/2 is enabled in the HTTP Profile and associated with a virtual server (of type LB, CS, or VPN) or a configured service. The issue is triggered by malformed HTTP/2 requests, which are a version of the Hypertext Transfer Protocol designed for better performance over the network.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Memory Leak
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Weakness Enumeration
Related Identifiers
Affected Products
Netscaler Adc
Netscaler Gateway