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CVE-2012-4481

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the...

4.3 MediumFix available

CVE-2012-4481 is a medium vulnerability (CVSS 4.3) in Ruby-lang Ruby, published May 2, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.94%, the 80th percentile. Fixed in ruby 0:1.8.5-27.el5.

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005.

Exploit likelihood

1.94%Up 0.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005.

Record
CVE-2012-4481
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005.

Record
CVE-2012-4481
Updated
2026-11-02
EUVDEUVD-2012-4410 No score

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005.

Record
EUVD-2012-4410
Updated
2026-11-03
GitHub AdvisoriesGHSA-gh65-6rxj-m8cc No score

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the...

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005.

Record
GHSA-gh65-6rxj-m8cc
Updated
2026-11-02
OSVBELL-CVE-2012-4481 4.3

CVE-2012-4481 does not affect BellSoft software

Record
BELL-CVE-2012-4481
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ruby
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-mode
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-docs
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-irb
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-libs
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-rdoc
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
Show 52 moreShow less
Affected packages
PackageAffectedFixed
ruby-ri
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-tcltk
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-devel
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-docs
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-irb
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-libs
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-mode
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-rdoc
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-ri
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby-tcltk
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-27.el5
0:1.8.5-27.el5
ruby
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-devel
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-irb
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-libs
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-rdoc
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-docs
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-ri
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-static
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-tcltk
Red Hat:enterprise_linux:6::client
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-devel
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-irb
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-libs
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-rdoc
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-docs
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-ri
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-static
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-tcltk
Red Hat:enterprise_linux:6::computenode
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-devel
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-irb
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-libs
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-rdoc
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-docs
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-ri
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-static
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-tcltk
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-devel
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-irb
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-libs
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-rdoc
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-docs
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-ri
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-static
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4
ruby-tcltk
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.7.352-10.el6_4
0:1.8.7.352-10.el6_4

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

Show 21 moreShow less
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