---
id: CVE-2026-77797
title: >-
  Velociraptor's prefetch library contains an out of bound vulnerability which
  may cause a crash when parsing certain malformed prefetch files.
summary: >-
  Velociraptor's prefetch library contains an out of bound vulnerability which
  may cause a crash when parsing certain malformed prefetch files.
severity: low
cvss: 3.6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N'
cwe:
  - CWE-20
  - CWE-125
vendor: Rapid7
product: Velociraptor
affected:
  - Velociraptor < 0.77.3
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T21:00:46.893'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77797'
references:
  - url: 'http://docs.velociraptor.app/announcements/advisories/cve-2026-7797/'
    label: cve@rapid7.com
  - url: >-
      https://github.com/Velocidex/go-prefetch/commit/4bae9796298011598d577b125e0b3db3ee03eb74
    label: cve@rapid7.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-24T14:47:47.888267Z'
ingestedAt: '2026-09-24T14:44:21.325Z'
---

## Overview

Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.

## Remediation

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