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OpenAdvisories
Low · 3.5 CVE-2026-64951 EUVD-2026-57160GHSA-frg5-mq2m-h39j

Velociraptor DoS triggered by Divide by Zero panic

Published Aug 12, 2026 · Updated Aug 12, 2026 · Assigned by rapid7

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.

Affected products

VendorProductAffectedFixed
Rapid7 Velociraptor < 0.77.2 0.77.2

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Tumbleweed velociraptor 0.76.7.0.git145.b60ef1146-1.1 openSUSE-SU-2026:12070-1

Advisories 2

References