What’s Vulnerable › Vulnerabilities

CVE-2018-1000538

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-06-26 · updated 2026-06-17
• Weakness: CWE-774

Description

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: before 2018-05-16t23-35-33z — fixed in 2018-05-16t23-35-33z

How to fix

Upgrade to a fixed version: minio 2018-05-16t23-35-33z. Check the vendor advisory for mitigations.

References

• https://github.com/minio/minio/commit/9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7#diff-e8c3bc9bc83b5516d0cc806cd461d08bL220
• https://github.com/minio/minio/pull/5957
• https://github.com/minio/minio/commit/9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7#diff-e8c3bc9bc83b5516d0cc806cd461d08bL220
• https://github.com/minio/minio/pull/5957

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