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Vulnerability record · CVE-2017-0900 · published 31 August 2017

CVE-2017-0900: Rubygems improper input validation vulnerability

Rubygems · Rubygems

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a `query` command.

7.5 CVSS 3.0 High EPSS 8.5% · top 5.1% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
8.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
24References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a `query` command.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blog.rubygems.org/2017/08/27/2.6.13-released.html PatchVendor Advisory
http://www.securityfocus.com/bid/100579 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039249 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:3485 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0378 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0583 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0585 Third Party Advisory
https://github.com/rubygems/rubygems/commit/8a38a4fc24c6591e6c8f43d1fadab6efeb4d6251 PatchThird Party Advisory
https://hackerone.com/reports/243003 ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201710-01 Third Party Advisory
https://www.debian.org/security/2017/dsa-3966 Third Party Advisory
http://blog.rubygems.org/2017/08/27/2.6.13-released.html PatchVendor Advisory
http://www.securityfocus.com/bid/100579 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039249 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:3485 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0378 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0583 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0585 Third Party Advisory
https://github.com/rubygems/rubygems/commit/8a38a4fc24c6591e6c8f43d1fadab6efeb4d6251 PatchThird Party Advisory
https://hackerone.com/reports/243003 ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201710-01 Third Party Advisory
https://www.debian.org/security/2017/dsa-3966 Third Party Advisory

Track CVE-2017-0900 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2017-0900), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.