Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rclone | Rclone | >= 1.75.0, < 1.75.2 |
Related Weaknesses (CWE)
References
- https://github.com/rclone/rclone/security/advisories/GHSA-qjw8-8hmp-c3m6Vendor Advisory
- https://www.vulncheck.com/advisories/rclone-serve-s3-1.75.0-before-1.75.2-memoryThird Party Advisory
FAQ
What is CVE-2026-116188?
CVE-2026-116188 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 concurr...
How severe is CVE-2026-116188?
CVE-2026-116188 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116188?
Check the references section above for vendor advisories and patch information. Affected products include: Rclone Rclone.