Numeric Truncation Error in Quest NetVault Backup Leads to Denial-of-Service
CVE-2026-13269

7.5HIGH

Key Information:

Vendor

Quest

Status
Netvault Backup
Vendor
CVE Published:
12 November 2026

What is CVE-2026-13269?

A numeric truncation error vulnerability exists in the StnzCreateKey function of Quest NetVault Backup, allowing remote attackers to create a denial-of-service condition. This flaw arises due to improper validation of user-supplied data before buffer allocation, meaning no authentication is necessary to exploit the vulnerability. Successful exploitation can severely impact the availability of the service, highlighting the need for immediate attention and remediation.

Affected Version(s)

NetVault Backup 14.0.2.4

References

https://www.zerodayinitiative.com/advisories/ZDI-26-888/
x_research-advisory

CVSS V3.0

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.