rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain out-of-order parts in memory, exhausting the host.
Metrics
Affected Vendors & Products
| Vendors | Products |
|---|---|
| Rclone |
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References
History
Sun, 25 Oct 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory accounting that bypasses the configured buffer limit. Attackers can open two concurrent current-part PUT requests declaring huge lengths to wrap the signed int64 counter and retain out-of-order parts in memory, exhausting the host. | |
| Title | rclone serve s3 1.75.0 before 1.75.2 Memory Limit Bypass via Multipart Overflow | |
| First Time appeared |
Rclone
Rclone rclone |
|
| Weaknesses | CWE-190 | |
| CPEs | cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Rclone
Rclone rclone |
|
| References |
| |
| Metrics |
cvssV3_1
|
MITRE
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-25T13:20:24.506Z
Updated: 2026-10-25T13:20:24.506Z
Reserved: 2026-10-25T12:26:13.488Z
Link: CVE-2026-116188
Vulnrichment
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NVD
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Redhat
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