BugZero | Citrix NetScaler BugID NSHELP-40690 - NetScaler might crash when an invalid memory acces...

Citrix NetScaler - Defect ID: NSHELP-40690

NetScaler might crash when an invalid memory access occurs. This issue occurs when NetScaler receives a DNS response with a non-standard opcode.

Citrix NetScaler - Defect ID: NSHELP-40690

NetScaler might crash when an invalid memory access occurs. This issue occurs when NetScaler receives a DNS response with a non-standard opcode.

Last updated on April 28th, 2026

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Bug Details

Status: Fixed

Description

The vendor has published 1 unique mention(s) for this bug: 1. NetScaler might crash when an invalid memory access occurs. This issue occurs when NetScaler receives a DNS response with a non-standard opcode. Modules: 1. Load Balancing Latest urls for this bug: 1. https://docs.netscaler.com/en-us/updates?product=NetScaler%20ADC%20%28includes%20NetScaler%20Gateway%29&version=14.1&build=51.80 2. https://docs.netscaler.com/en-us/updates?product=NetScaler%20ADC%20%28includes%20NetScaler%20Gateway%29&version=14.1&build=56.74 3. https://docs.netscaler.com/en-us/updates?product=NetScaler%20ADC%20%28includes%20NetScaler%20Gateway%29&version=14.1&build=60.58

Change history

2026-04-28 Added: 14.1 Build 51.80, 14.1 Build 56.74

2026-04-28 Removed: Build 14.1-51.80, Build 14.1-56.74

2026-04-16 Added: Build 14.1-56.74

2026-01-23 Added: Build 14.1-51.80

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Defect ID: NSHELP-43138
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Citrix NetScaler - Defect ID: NSHELP-40690

NetScaler might crash when an invalid memory access occurs. This issue occurs when NetScaler receives a DNS response with a non-standard opcode.

Citrix NetScaler - Defect ID: NSHELP-40690

NetScaler might crash when an invalid memory access occurs. This issue occurs when NetScaler receives a DNS response with a non-standard opcode.

Last updated on April 28th, 2026

BugZero Risk Score0.0 Coming soon

Bug Details

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Top Citrix NetScaler Defects

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