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TI-2019-05977 Aliases CVE-2019-8324GHSA-76wm-422q-92mq

An issue was discovered in RubyGems 2.6 and later through 3.0.2.

Priority MEDIUM 44CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-94.

Summary

An issue was discovered in RubyGems 2.6 and later through 3.0.2. A crafted gem with a multi-line name is not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec, which is eval-ed by code in ensure_loadable_spec during the preinstall check.

Why it matters now

EPSS 0.03219 88th percentileScored 2026-11-07
Fix Fixed rubygems-update (RubyGems): 2.7.9, 3.0.2Red Hat: 7 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—rubygems-update (RubyGems)2.6.0 to before 2.7.92.7.9Patch availableGHSA-76wm-422q-92mq
—rubygems-update (RubyGems)3.0.0 to before 3.0.23.0.2Patch availableGHSA-76wm-422q-92mq
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • rubygems-update (RubyGems) Vendor— Affected 2.6.0 to before 2.7.9 Fixed in 2.7.9 Patch available GHSA-76wm-422q-92mq
  • rubygems-update (RubyGems) Vendor— Affected 3.0.0 to before 3.0.2 Fixed in 3.0.2 Patch available GHSA-76wm-422q-92mq

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*2.6.0 – 3.0.2Vulnerablerubygems
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*15.0VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
  • cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* Versions 2.6.0 – 3.0.2 Vulnerable ·rubygems
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat

Remediation

  • Fix · GHSA-76wm-422q-92mq rubygems-update (RubyGems) Fixed in 2.7.9 Advisory →
  • Fix · GHSA-76wm-422q-92mq rubygems-update (RubyGems) Fixed in 3.0.2 Advisory →

Red Hat 7 advisories

  • RHSA-2020:2769 Released 2020-06-30 · Red Hat rating Important
    ruby security update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) ruby-2.0.0.648-37.el7_4, ruby-irb-2.0.0.648-37.el7_4, ruby-libs-2.0.0.648-37.el7_4 +6
    • Red Hat Enterprise Linux Server E4S (v. 7.4) ruby-2.0.0.648-37.el7_4, ruby-irb-2.0.0.648-37.el7_4, ruby-libs-2.0.0.648-37.el7_4 +6
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) ruby-devel-2.0.0.648-37.el7_4, ruby-doc-2.0.0.648-37.el7_4, ruby-tcltk-2.0.0.648-37.el7_4 +3
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) ruby-devel-2.0.0.648-37.el7_4, ruby-doc-2.0.0.648-37.el7_4, ruby-tcltk-2.0.0.648-37.el7_4 +3
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) ruby-devel-2.0.0.648-37.el7_4, ruby-doc-2.0.0.648-37.el7_4, ruby-tcltk-2.0.0.648-37.el7_4 +3
    • Red Hat Enterprise Linux Server TUS (v. 7.4) ruby-2.0.0.648-37.el7_4, ruby-irb-2.0.0.648-37.el7_4, ruby-libs-2.0.0.648-37.el7_4 +6
  • RHSA-2019:1972 Released 2019-08-07 · Red Hat rating Important
    ruby:2.5 security update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-2.5.3-104.module+el8.0.0+3250+4b7d6d43.aarch64::ruby:2.5, ruby-2.5.3-104.module+el8.0.0+3250+4b7d6d43.i686::ruby:2.5, ruby-2.5.3-104.module+el8.0.0+3250+4b7d6d43.ppc64le::ruby:2.5 +47
  • RHSA-2019:1429 Released 2019-06-11 · Red Hat rating Important
    CloudForms 4.7.5 security, bug fix and enhancement update
    • CloudForms Management Engine 5.10 cfme-5.10.5.1-1.el7cf, cfme-amazon-smartstate-5.10.5.1-1.el7cf, cfme-appliance-5.10.5.1-1.el7cf +22
Show 4 more Red Hat advisories
  • RHSA-2019:1235 Released 2019-05-15 · Red Hat rating Important
    ruby security update
    • Red Hat Enterprise Linux Client (v. 7) ruby-2.0.0.648-35.el7_6, ruby-irb-2.0.0.648-35.el7_6, ruby-libs-2.0.0.648-35.el7_6 +6
    • Red Hat Enterprise Linux Client Optional (v. 7) ruby-devel-2.0.0.648-35.el7_6, ruby-doc-2.0.0.648-35.el7_6, ruby-tcltk-2.0.0.648-35.el7_6 +3
    • Red Hat Enterprise Linux ComputeNode (v. 7) ruby-2.0.0.648-35.el7_6, ruby-irb-2.0.0.648-35.el7_6, ruby-libs-2.0.0.648-35.el7_6 +6
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) ruby-devel-2.0.0.648-35.el7_6, ruby-doc-2.0.0.648-35.el7_6, ruby-tcltk-2.0.0.648-35.el7_6 +3
    • Red Hat Enterprise Linux Server (v. 7) ruby-2.0.0.648-35.el7_6, ruby-irb-2.0.0.648-35.el7_6, ruby-libs-2.0.0.648-35.el7_6 +7
    • Red Hat Enterprise Linux Server Optional (v. 7) ruby-devel-2.0.0.648-35.el7_6, ruby-doc-2.0.0.648-35.el7_6, ruby-tcltk-2.0.0.648-35.el7_6 +3
    • Red Hat Enterprise Linux Workstation (v. 7) ruby-2.0.0.648-35.el7_6, ruby-irb-2.0.0.648-35.el7_6, ruby-libs-2.0.0.648-35.el7_6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 7) ruby-devel-2.0.0.648-35.el7_6, ruby-doc-2.0.0.648-35.el7_6, ruby-tcltk-2.0.0.648-35.el7_6 +3
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) ruby-2.0.0.648-35.el7_6, ruby-irb-2.0.0.648-35.el7_6, ruby-libs-2.0.0.648-35.el7_6 +6
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) ruby-devel-2.0.0.648-35.el7_6, ruby-doc-2.0.0.648-35.el7_6, ruby-tcltk-2.0.0.648-35.el7_6 +3
  • RHSA-2019:1151 Released 2019-05-13 · Red Hat rating Important
    rh-ruby23-ruby security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-ruby23-ruby-2.3.8-70.el6, rh-ruby23-ruby-devel-2.3.8-70.el6, rh-ruby23-ruby-doc-2.3.8-70.el6 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ruby23-ruby-2.3.8-70.el7, rh-ruby23-ruby-devel-2.3.8-70.el7, rh-ruby23-ruby-doc-2.3.8-70.el7 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-ruby23-ruby-2.3.8-70.el7, rh-ruby23-ruby-devel-2.3.8-70.el7, rh-ruby23-ruby-doc-2.3.8-70.el7 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-ruby23-ruby-2.3.8-70.el7, rh-ruby23-ruby-devel-2.3.8-70.el7, rh-ruby23-ruby-doc-2.3.8-70.el7 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-ruby23-ruby-2.3.8-70.el7, rh-ruby23-ruby-devel-2.3.8-70.el7, rh-ruby23-ruby-doc-2.3.8-70.el7 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-ruby23-ruby-2.3.8-70.el6, rh-ruby23-ruby-devel-2.3.8-70.el6, rh-ruby23-ruby-doc-2.3.8-70.el6 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ruby23-ruby-2.3.8-70.el7, rh-ruby23-ruby-devel-2.3.8-70.el7, rh-ruby23-ruby-doc-2.3.8-70.el7 +16
  • RHSA-2019:1150 Released 2019-05-13 · Red Hat rating Important
    rh-ruby24-ruby security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-ruby24-ruby-2.4.6-92.el6, rh-ruby24-ruby-devel-2.4.6-92.el6, rh-ruby24-ruby-doc-2.4.6-92.el6 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ruby24-ruby-2.4.6-92.el7, rh-ruby24-ruby-devel-2.4.6-92.el7, rh-ruby24-ruby-doc-2.4.6-92.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-ruby24-ruby-2.4.6-92.el7, rh-ruby24-ruby-devel-2.4.6-92.el7, rh-ruby24-ruby-doc-2.4.6-92.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-ruby24-ruby-2.4.6-92.el7, rh-ruby24-ruby-devel-2.4.6-92.el7, rh-ruby24-ruby-doc-2.4.6-92.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-ruby24-ruby-2.4.6-92.el7, rh-ruby24-ruby-devel-2.4.6-92.el7, rh-ruby24-ruby-doc-2.4.6-92.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-ruby24-ruby-2.4.6-92.el6, rh-ruby24-ruby-devel-2.4.6-92.el6, rh-ruby24-ruby-doc-2.4.6-92.el6 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ruby24-ruby-2.4.6-92.el7, rh-ruby24-ruby-devel-2.4.6-92.el7, rh-ruby24-ruby-doc-2.4.6-92.el7 +17
  • RHSA-2019:1148 Released 2019-05-13 · Red Hat rating Important
    rh-ruby25-ruby security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ruby25-ruby-2.5.5-7.el7, rh-ruby25-ruby-devel-2.5.5-7.el7, rh-ruby25-ruby-doc-2.5.5-7.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-ruby25-ruby-2.5.5-7.el7, rh-ruby25-ruby-devel-2.5.5-7.el7, rh-ruby25-ruby-doc-2.5.5-7.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-ruby25-ruby-2.5.5-7.el7, rh-ruby25-ruby-devel-2.5.5-7.el7, rh-ruby25-ruby-doc-2.5.5-7.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-ruby25-ruby-2.5.5-7.el7, rh-ruby25-ruby-devel-2.5.5-7.el7, rh-ruby25-ruby-doc-2.5.5-7.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ruby25-ruby-2.5.5-7.el7, rh-ruby25-ruby-devel-2.5.5-7.el7, rh-ruby25-ruby-doc-2.5.5-7.el7 +17

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
CloudForms Management Engine 5.10Fixed RHSA-2019:1429
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:1972
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2020:2769
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2020:2769
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2020:2769
Red Hat Enterprise Linux Server Optional E4S (v. 7.4)Fixed RHSA-2020:2769
Red Hat Enterprise Linux Server Optional TUS (v. 7.4)Fixed RHSA-2020:2769
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2020:2769
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2019:1235
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2019:1235
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2019:1150, RHSA-2019:1151
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:1148, RHSA-2019:1150, RHSA-2019:1151
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2019:1148, RHSA-2019:1150, RHSA-2019:1151
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2019:1148, RHSA-2019:1150, RHSA-2019:1151
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2019:1148, RHSA-2019:1150, RHSA-2019:1151
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2019:1150, RHSA-2019:1151
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:1148, RHSA-2019:1150, RHSA-2019:1151
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8324
  2. 2026-10-03 Alias added: GHSA-76wm-422q-92mq

References

Advisory 5

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences