CVE-2026-111337
Memory overflow in Base64 decoding in advanced policy expressions leading to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway
Description
Memory overflow in Base64 decoding in advanced policy expressions leading to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway.
INFO
Published Date :
Nov. 13, 2026, 7:40 a.m.
Last Modified :
Nov. 13, 2026, 7:40 a.m.
Remotely Exploit :
Yes !
Source :
NetScaler
Affected Products
The following products are affected by CVE-2026-111337
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 |
Solution
- Update Citrix NetScaler ADC and Gateway.
- Apply the latest security patches.
- Restart affected services.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-111337 vulnerability anywhere in the article.