rclone — security advisory

{
  "id": "c5ee9df80d93fa549f1da47e5aef8355f128dcc995e9985d95513bf6ec8ffc4a",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-116188",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2026-116188",
    "summary": "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.",
    "evidence": "osv:DEBIAN-CVE-2026-116188",
    "products": [
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.60.1+dfsg-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.60.1+dfsg-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.60.1+dfsg-4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.65.0+dfsg-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.65.0+dfsg-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.69.3+dfsg-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.69.3+dfsg-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.69.3+dfsg-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.75.2-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.75.2-2",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "rclone",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.60.1+dfsg-4",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.65.0+dfsg-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.65.0+dfsg-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.69.3+dfsg-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.69.3+dfsg-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.69.3+dfsg-3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.75.2-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1.75.2-2",
            "evidence": "/affected/1/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2026-116188",
      "aliases": [
        "DEBIAN-CVE-2026-116188"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/debian/rclone?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "1.60.1+dfsg-2",
            "1.60.1+dfsg-3",
            "1.60.1+dfsg-4",
            "1.65.0+dfsg-1",
            "1.65.0+dfsg-2",
            "1.69.3+dfsg-1",
            "1.69.3+dfsg-2",
            "1.69.3+dfsg-3",
            "1.75.2-1",
            "1.75.2-2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-116188.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rclone",
            "purl": "pkg:deb/debian/rclone?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "versions": [
            "1.60.1+dfsg-4",
            "1.65.0+dfsg-1",
            "1.65.0+dfsg-2",
            "1.69.3+dfsg-1",
            "1.69.3+dfsg-2",
            "1.69.3+dfsg-3",
            "1.75.2-1",
            "1.75.2-2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-116188.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T05:00:06.092607939Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-116188"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2026-116188"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-116188",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 446710,
  "published_at": "2026-10-25T14:16:58.973+00:00"
}