CVE-2026-97333
Received Received - Intake

Stack-Based Buffer Overflow in CommServe and Related Components

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Commvault

Description
QAPI contained a stack-based buffer overflow affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe, Web Server, Command Center and Index Server.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-97333
EUVD
EUVD-2026-98763

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
Commvault Commvault Cloud 11.46.0
Commvault Commvault Cloud 11.44.0
Commvault Commvault Cloud 11.40.0
Commvault Commvault Cloud 11.36.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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Executive Summary

This vulnerability is a stack-based buffer overflow in QAPI that can disrupt service availability. It affects Commvault Cloud software components like CommServe, Web Server, Command Center, and Index Server. Customers are advised to upgrade to a resolved maintenance release to address the issue.

Impact Analysis

The vulnerability may cause service disruptions or crashes due to stack-based buffer overflow, potentially leading to downtime for affected Commvault Cloud services. Users relying on these services could experience interruptions in data management and backup operations.

Mitigation Strategies

Upgrade CommServe, Web Server, Command Center and Index Server to the resolved maintenance release to address the stack-based buffer overflow affecting service availability.

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