rclone serve s3 1.75.0 before 1.75.2 Memory Limit Bypass via Multipart Overflow
Exact source revision recorded 25 Oct 2026 15:17:04 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-116188
Publishedrclone 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.
- Source published
- 25 Oct 2026 13:20:24 UTC
- Source modified
- 25 Oct 2026 13:20:24 UTC
- Observed here
- 25 Oct 2026 15:17:04 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
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CVSS 4.0 · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS 3.1 · 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L