Description
A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to expand the file, a panic occurs which may crash the server process.

The problem is a Divide by Zero bug in the ShouldPadFile() function.
Published: 2026-08-12
Score: 3.5 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Workaround

Usually the server will restart after the crash. The user should then export the file without the "Expand Sparse Files" option.

Tracking

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Advisories

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History

Wed, 12 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 12 Aug 2026 10:15:00 +0000

Type Values Removed Values Added
Description A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to expand the file, a panic occurs which may crash the server process. The problem is a Divide by Zero bug in the ShouldPadFile() function.
Title Velociraptor DoS triggered by Divide by Zero panic
Weaknesses CWE-369
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: rapid7

Published:

Updated: 2026-08-12T12:29:02.448Z

Reserved: 2026-07-21T08:32:47.510Z

Link: CVE-2026-64951

cve-icon Vulnrichment

Updated: 2026-08-12T12:28:59.332Z

cve-icon NVD

Status : Received

Published: 2026-08-12T10:17:20.063

Modified: 2026-08-12T13:17:23.440

Link: CVE-2026-64951

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-12T12:00:03Z

Weaknesses