netVigilance Vulnerability intelligence since 2004
CVE-2025-7775 · netVigilance record NV25-0166

Citrix NetScaler Memory Overflow

past due

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA deadline 2025-08-28 · passed 1 year ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

Citrix NetScaler ADC and NetScaler Gateway contain a memory overflow vulnerability that could allow for remote code execution and/or denial of service.

Who is affected

Citrix NetScaler. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-119.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 1 year ago

Sources