CVE-2017-0900

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.

• CWE-20

• http://blog.rubygems.org/2017/08/27/2.6.13-released.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/100579Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039249Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:3485Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0378Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0583Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0585Third Party Advisory
• https://github.com/rubygems/rubygems/commit/8a38a4fc24c6591e6c8f43d1fadab6efeb4d6251Patch, Third Party Advisory
• https://hackerone.com/reports/243003Exploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/201710-01Third Party Advisory
• https://www.debian.org/security/2017/dsa-3966Third Party Advisory
• http://blog.rubygems.org/2017/08/27/2.6.13-released.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/100579Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039249Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:3485Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0378Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0583Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0585Third Party Advisory
• https://github.com/rubygems/rubygems/commit/8a38a4fc24c6591e6c8f43d1fadab6efeb4d6251Patch, Third Party Advisory
• https://hackerone.com/reports/243003Exploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/201710-01Third Party Advisory
• https://www.debian.org/security/2017/dsa-3966Third Party Advisory

Published

Aug 31, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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