CVE-2026-77101: CommServe Stack-based Buffer Overflow
Published Sep 8, 2026
·Updated
CommServe contained a stack-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe.
Affected Software
7 affected components
CommServe
All of the following
Any of the following
Commvault Commvault>=11.36.0<11.36.123
Commvault Commvault>=11.40.0<11.40.72
Commvault Commvault>=11.44.0<11.44.20
Commvault Commvault>=11.46.0<11.46.20
Any of the following
Linux Linux kernel
Microsoft Windows
Event History
Sep 8, 2026
CVE Published
via MITRE·12:12 PM
Data Sourced
via MITRE·12:12 PM
DescriptionWeakness
Data Sourced
via NVD·01:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What should administrators do to remediate this issue?
Upgrade CommServe to the resolved maintenance release specified by the vendor and update the CommServe installation.
2
What impact is identified for affected deployments?
The issue is described as affecting service availability.