rclone: rclone serve s3 versions 1.75.0 before 1.75.2 contain an integer overflow vulnerability in multipart reorder-memory a...
CVE-2026-116188 is fixed in 3 products on 1 platform, first by ALAS2023-2026-3401, released November 10, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| rclone · amzn 2023 | 1.75.2-1.amzn2023 | ALAS2023-2026-3401 | Nov 10, 2026 |
| rclone-debuginfo · amzn 2023 | 1.75.2-1.amzn2023 | ALAS2023-2026-3401 | Nov 10, 2026 |
| rclone-debugsource · amzn 2023 | 1.75.2-1.amzn2023 | ALAS2023-2026-3401 | Nov 10, 2026 |
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