---
id: CVE-2026-13269
title: >-
  Quest NetVault Backup StnzCreateKey Numeric Truncation Error Denial-of-Service
  Vulnerability
summary: >-
  Quest NetVault Backup StnzCreateKey Numeric Truncation Error Denial-of-Service
  Vulnerability. This vulnerability allows remote attackers to create a
  denial-of-service condition on affected installations of Quest NetVault
  Backup. Authenti…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-197
vendor: Quest
product: NetVault Backup
affected:
  - netvault_backup 14.0.2.4
published: '2026-11-12'
updated: '2026-11-12'
sourceUpdated: '2026-11-12T02:49:48.851Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-13269'
references:
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-26-888/'
    label: ZDI-26-888
tags:
  - cve.org
zeroDay: true
ingestedAt: '2026-11-12T03:35:25.466Z'
epss: 0.00799
epssPercentile: 0.57022
---

## Overview

Quest NetVault Backup StnzCreateKey Numeric Truncation Error Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Quest NetVault Backup. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the StnzCreateKey function. The issue results from the lack of proper validation of user-supplied data, which can result in a numeric truncation error before allocating a buffer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-28743.

## Affected

- `netvault_backup 14.0.2.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.