{"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,"slug":"CVE-2026-13269","body":"## Overview\n\nQuest 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.\n\nThe 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.\n\n## Affected\n\n- `netvault_backup 14.0.2.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":25,"ransomware":0},"changes":[]}