The problem is a Divide by Zero bug in the ShouldPadFile() function.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
Usually the server will restart after the crash. The user should then export the file without the "Expand Sparse Files" option.
Wed, 12 Aug 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Rapid7
Rapid7 velociraptor |
|
| Vendors & Products |
Rapid7
Rapid7 velociraptor |
Wed, 12 Aug 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
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
|
Projects
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Status: PUBLISHED
Assigner: rapid7
Published:
Updated: 2026-08-12T12:29:02.448Z
Reserved: 2026-07-21T08:32:47.510Z
Link: CVE-2026-64951
Updated: 2026-08-12T12:28:59.332Z
Status : Received
Published: 2026-08-12T10:17:20.063
Modified: 2026-08-12T13:17:23.440
Link: CVE-2026-64951
No data.
OpenCVE Enrichment
Updated: 2026-08-12T16:45:05Z