Citrix · NetScaler
CVE-2026-88772
Memory overflow vulnerability leading to Remote Code Execution or Denial of Service
这是什么
Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.
This 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 to Remote Code Execution or Denial of Service
CISA: Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for remote code execution or denial of service
该怎么做
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
美国联邦机构的修复期限：2026年9月30日
Citrix 的其他被利用漏洞
| 加入日期 | 漏洞 | 产品 | 严重程度 | 受攻击概率 |
|---|---|---|---|---|
| 2026年10月4日 | Improper Restriction of Operations within the Bounds of a Memory Buffer | NetScaler | 高 8.7 | 11% |
| 2026年9月27日 | Improper Input Validation | NetScaler | 严重 9.5 | 82% |
| 2026年9月9日 | Authentication Bypass Using an Alternate Path or Channel | NetScaler | 严重 9.3 | 33% |
| 2026年3月30日 | Out-of-Bounds Read | NetScaler | 严重 9.3 | 91% |
| 2025年8月26日 | Memory Overflow | NetScaler | 严重 9.2 | 21% |
| 2026年8月26日 | Improper Restriction of Operations within the Bounds of a Memory Buffer | NetScaler ADC and NetScaler Gateway | 高 8.8 | 1.0% |
| 2025年8月25日 | Improper Privilege Management | Session Recording | 中 5.1 | 3.5% |
| 2025年8月25日 | Deserialization of Untrusted Data | Session Recording | 中 5.1 | 21% |
来源：Known Exploited Vulnerabilities（CISA，公有领域）、CVE records（cve.org）和 EPSS（FIRST）。受攻击概率是 EPSS 对未来 30 天内有人尝试利用该漏洞的估计。