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Vulnerability record · CVE-2017-0899 · published 31 August 2017

CVE-2017-0899: Rubygems code injection vulnerability

Rubygems · Rubygems

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.

9.8 CVSS 3.0 Critical EPSS 11% · top 4.3% CWE-150 · CWE-150CWE-94 · Code injection
9.8CVSS 3.0 base score, v2 7.5
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
26References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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/100576 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/1bcbc7fe637b03145401ec9c094066285934a7f1 PatchThird Party Advisory
https://github.com/rubygems/rubygems/commit/ef0aa611effb5f54d40c7fba6e8235eb43c5a491 PatchThird Party Advisory
https://hackerone.com/reports/226335 ExploitPatchThird 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/100576 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/1bcbc7fe637b03145401ec9c094066285934a7f1 PatchThird Party Advisory
https://github.com/rubygems/rubygems/commit/ef0aa611effb5f54d40c7fba6e8235eb43c5a491 PatchThird Party Advisory
https://hackerone.com/reports/226335 ExploitPatchThird 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

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Source: NIST National Vulnerability Database (record CVE-2017-0899), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.