CVE-2018-1000538: MinIO

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Minio Inc. Minio S3 server version prior to RELEASE.2018-05-16T23-35-33Z contains a Allocation of Memory Without Limits or Throttling (similar to CWE-774) vulnerability in write-to-RAM that can result in Denial of Service. This attack appear to be exploitable via Sending V4-(pre)signed requests with large bodies . This vulnerability appears to have been fixed in after commit 9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7.

Affected products

• MinIO MinIO: before 2018-05-16t23-35-33z (fixed in 2018-05-16t23-35-33z)

Published 2018-06-26. Last modified 2026-06-17.