---
id: CVE-2026-77100
title: >-
  MediaAgent contained a heap-based buffer overflow issue affecting service
  availability
summary: >-
  MediaAgent contained a heap-based buffer overflow issue affecting service
  availability.  Software customers upgrade to resolved maintenance release.
  Update Commvault installation of MediaAgents and HyperScale.
severity: none
cwe:
  - CWE-122
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T15:17:49.650'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77100'
references:
  - url: 'https://documentation.commvault.com/securityadvisories/CV_2026_10_6.html'
    label: 050066fd-a2f9-4f32-ab5d-4c53f48bc333
tags:
  - nvd
ingestedAt: '2026-10-13T15:33:40.083Z'
---

## Overview

MediaAgent contained a heap-based buffer overflow issue affecting service availability.  Software customers upgrade to resolved maintenance release. Update Commvault installation of MediaAgents and HyperScale.

## Remediation

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