Citrix Ships Another Emergency Fix for NetScaler Appliances

Citrix Ships Another Emergency Fix for NetScaler Appliances

By @BnkInfoSecurity
Publication Date: 2026-10-09 12:00:00

Keeping Score: It’s Vendor’s Third Patch in 2 Weeks to Address Exploitable Flaws

Image: Shutterstock/ISMG

For the third time in just two weeks, Citrix has shipped an emergency security fix for its NetScaler line of products.

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The latest update, published Thursday, patches a newly found flaw in both Citrix NetScaler Application Delivery Controller and NetScaler Gateway appliances. The memory overflow vulnerability, tracked as CVE-2026-107406, “may lead to remote code execution or denial of service under specific configuration conditions,” said Citrix parent Cloud Security Group…