CVE-2018-1000538

Name: CVE-2018-1000538
Creator: NVD / NIST
Published: 2018-06-26T16:29:02.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.51%

Last modified Jun 17, 2026

CVE-2018-1000538 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.51% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.51%

71.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-774

Affected Software

Vendor	Product	Versions
Minio	Minio	< 2018-05-16t23-35-33z

References

https://github.com/minio/minio/commit/9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7#diff-e8c3bc9bc83b5516d0cc806cd461d08bL220Patch, Third Party Advisory
https://github.com/minio/minio/pull/5957Issue Tracking, Third Party Advisory
https://github.com/minio/minio/commit/9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7#diff-e8c3bc9bc83b5516d0cc806cd461d08bL220Patch, Third Party Advisory
https://github.com/minio/minio/pull/5957Issue Tracking, Third Party Advisory

Timeline

Published: Jun 26, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000538?

How severe is CVE-2018-1000538?

Severity scoring for CVE-2018-1000538 is pending analysis. The EPSS model estimates a 1.51% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000538?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000538?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST