CVE-2019-8324

23

FAUCET Score

CVE-2019-8324 is a high-severity vulnerability affecting RubyGems versions 2.6 through 3.0.2, as well as various Linux distributions. It allows an unauthenticated attacker to inject arbitrary code into a crafted gem's stub line, which is then executed during the preinstall check. This can lead to complete compromise of confidentiality, integrity, and availability of the affected system. Despite its high CVSS score of 8.8, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 2.6.0, <= 3.0.2CPE matchmatch criteria	cpe:2.3:a:rubygems:rubygems::::::::
		9.0CPE matchmatch criteria	cpe:2.3:o:debian:debian_linux:9.0:::::::*
		15.0CPE matchmatch criteria	cpe:2.3:o:opensuse:leap:15.0:::::::*
		15.1CPE matchmatch criteria	cpe:2.3:o:opensuse:leap:15.1:::::::*
		8.0CPE matchmatch criteria	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

3.22%

Probability of exploitation in next 30 days

EPSS Percentile

86.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0322 is in the 86th percentile among its peer group of 14,875 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (26)

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-ruby23-ruby-0:2.3.8-70.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-ruby25-ruby-0:2.5.5-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-ruby24-ruby-0:2.4.6-92.el7

redhatpatch availablevia redhat_api

Product: CloudForms Management Engine 5.10Fixed in: cfme-0:5.10.5.1-1.el7cf

redhatpatch availablevia redhat_api

Product: CloudForms Management Engine 5.10Fixed in: cfme-amazon-smartstate-0:5.10.5.1-1.el7cf

redhatpatch availablevia redhat_api

Product: CloudForms Management Engine 5.10Fixed in: cfme-appliance-0:5.10.5.1-1.el7cf

redhatpatch availablevia redhat_api

Product: CloudForms Management Engine 5.10Fixed in: cfme-gemset-0:5.10.5.1-1.el7cf

redhatpatch availablevia redhat_api

Product: CloudForms Management Engine 5.10Fixed in: ruby-0:2.4.6-91.el7cf

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: ruby-0:2.0.0.648-35.el7_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.4 Advanced Update SupportFixed in: ruby-0:2.0.0.648-37.el7_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.4 Telco Extended Update SupportFixed in: ruby-0:2.0.0.648-37.el7_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsFixed in: ruby-0:2.0.0.648-37.el7_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: ruby:2.5-8000020190524123348.55190bc5

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby24-ruby-0:2.4.6-92.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby23-ruby-0:2.3.8-70.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby25-ruby-0:2.5.5-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby24-ruby-0:2.4.6-92.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby23-ruby-0:2.3.8-70.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby25-ruby-0:2.5.5-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby24-ruby-0:2.4.6-92.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby23-ruby-0:2.3.8-70.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-ruby25-ruby-0:2.5.5-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-ruby24-ruby-0:2.4.6-92.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-ruby23-ruby-0:2.3.8-70.el7

rubygemspatch availablevia ghsa

Product: rubygems-updateFixed in: 3.0.2

rubygemspatch availablevia ghsa

Product: rubygems-updateFixed in: 2.7.9

Vendor Advisories (2)

rubygemsGHSA-76wm-422q-92mqhigh

Code injection in RubyGems

redhatCVE-2019-8324Important

rubygems: Installing a malicious gem may lead to arbitrary code execution

References

lists.opensuse.org / opensuse-security-announce/2019-07/msg00036.html

Mailing ListThird Party Advisory

access.redhat.com / errata/RHSA-2019:1972

Third Party Advisory

hackerone.com / reports/328571

Permissions RequiredThird Party Advisory

lists.debian.org / debian-lts-announce/2020/08/msg00027.html

Mailing ListThird Party Advisory