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CVE-2012-4466

20
FAUCET Score

CVE-2012-4466 is a vulnerability in Ruby versions 1.8.7 (before p371), 1.9.3 (before p286), and 2.0 (before r37068) that allows attackers to bypass safe-level restrictions. By manipulating the name_err_mesg_to_str API function, an attacker can modify untainted strings, marking them as tainted. This vulnerability has a CVSS score of 5.0, indicating a medium severity with potential for partial integrity impact, but no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.7CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:*
1.8.7CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.7:p160:*:*:*:*:*:*
1.8.7CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.7:p17:*:*:*:*:*:*
1.8.7CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.7:p173:*:*:*:*:*:*
1.8.7CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.7:p174:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.62%
Probability of exploitation in next 30 days
EPSS Percentile
83.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0262 is in the 76th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (35)

redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: graphviz-0:2.26.0-10.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-console-0:0.0.16-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-broker-0:1.0.11-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-broker-util-0:1.0.15-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-cron-1.4-0:1.0.3-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-diy-0.1-0:1.0.3-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-haproxy-1.4-0:1.0.4-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-jbosseap-6.0-0:1.0.4-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-jbossews-1.0-0:1.0.13-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-jenkins-1.4-0:1.0.2-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-jenkins-client-1.4-0:1.0.2-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-mysql-5.1-0:1.0.5-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-perl-5.10-0:1.0.3-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-php-5.3-0:1.0.5-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-postgresql-8.4-0:1.0.3-2.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-ruby-1.8-0:1.0.7-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-cartridge-ruby-1.9-scl-0:1.0.8-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: openshift-origin-msg-node-mcollective-0:1.0.3-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: php-0:5.3.3-22.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: ruby193-ruby-0:1.9.3.327-25.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: ruby193-rubygem-actionpack-1:3.2.8-3.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: ruby193-rubygem-activemodel-0:3.2.8-2.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: ruby193-rubygem-activerecord-1:3.2.8-3.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: ruby193-rubygem-railties-0:3.2.8-2.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: ruby193-rubygem-ruby_parser-0:2.3.1-3.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-actionpack-1:3.0.13-4.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-activemodel-0:3.0.13-3.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-activerecord-1:3.0.13-5.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-bson-0:1.8.1-2.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-mongo-0:1.8.1-2.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-openshift-origin-auth-remote-user-0:1.0.5-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-openshift-origin-console-0:1.0.10-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-openshift-origin-controller-0:1.0.12-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-openshift-origin-node-0:1.0.11-1.el6op
View patch
redhatpatch availablevia redhat_api
Product: RHEL 6 Version of OpenShift EnterpriseFixed in: rubygem-ruby_parser-0:2.0.4-6.el6op
View patch

Vendor Advisories (1)

redhatCVE-2012-4466Low

ruby: safe level bypass via name_err_mesg_to_str()

Oct 2, 2012

References

lists.fedoraproject.org / pipermail/package-announce/2012-October/089554.html
lists.fedoraproject.org / pipermail/package-announce/2012-October/089887.html
bugzilla.redhat.com / show_bug.cgi
svn.ruby-lang.org / cgi-bin/viewvc.cgi
wiki.mageia.org / en/Support/Advisories/MGASA-2012-0294
mandriva.com / security/advisories
openwall.com / lists/oss-security/2012/10/02/4
openwall.com / lists/oss-security/2012/10/03/9
ruby-lang.org / en/news/2012/10/12/cve-2012-4464-cve-2012-4466
Vendor Advisory