{"id":"CVE-2026-88775","published":"2026-09-27T17:16:56.750","lastModified":"2026-09-29T16:17:13.663","description":"Memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-120"],"vendors":["citrix"],"products":["netscaler application delivery controller","netscaler gateway"],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096&articleTitle=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88771_CVE_2026_88772_CVE_2026_88773_CVE_2026_88774_CVE_2026_88775_CVE_2026_88776_CVE_2026_88777_and_CVE_2026_88778","tags":["Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"This vulnerability allows for a memory overflow, leading to potential Denial of Service (DoS) conditions or unpredictable behavior in Citrix NetScaler ADC and Gateway versions prior to the specified patches.","exploitability":"Exploitation requires access to the affected Citrix NetScaler ADC or Gateway and the ability to craft specific input that triggers the memory overflow. Precondition is the presence of unpatched versions of the software.","blast_radius":"If exploited, this vulnerability could lead to a complete denial of service for affected systems, impacting network availability and service reliability.","remediation":"Upgrade to Citrix NetScaler ADC versions 14.1-73.37 or later, 13.1-64.23 or later, and Citrix NetScaler Gateway versions 14.1-73.37 or later, 13.1-64.23 or later, and 13.1.37.279 FIPS or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["dos","memory-overflow","citrix","adc","gateway"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-29T08:51:31.188Z"}}