BIT-rclone-2026-116188

    Dashboard / Vulnerabilities / BIT-rclone-2026-116188

    BIT-rclone-2026-116188

    Published: 29 Oct 2026Last Modified: 30 Oct 2026

    Summary: rclone serve s3 1.75.0 before 1.75.2 Memory Limit Bypass via Multipart Overflow

    Details: 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.

    Affected packages

    Package

    Name: rclone

    Purl: pkg:bitnami/rclone

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 1.75.0
    Fixed -1.75.2

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    BIT-rclone-2026-116188 | CVE-DB