Minio Inc. Minio S3 server version prior to RELEASE.2018-05-16T23-35-33Z contains a Allocation of Memory Without Limits or Throttling (simi…

published 2018-06-26 8y ago modified 2026-06-17 4mo ago also EUVD-2018-1929

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 2

minio minio 2018-05-16t23-35-33z

github.com/minio/minio@9c8b730 commit
github.com/minio/minio#5957 pull request

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Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-774 Allocation of File Descriptors or Handles Without Limits or Throttling

References

github.com /minio/minio/commit/9c8b7306f55f2c8c0a5c7cea9a8db9d34be8faa7#diff-e8c3bc9bc83b5516d0cc806cd461d08bL220
patch, third-party-advisory
github.com /minio/minio/pull/5957
issue-tracking, third-party-advisory

Sources

CVE List CVE-2018-1000538
NVD CVE-2018-1000538

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.