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CVE-2011-1005

The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev...

5.0 MediumFix available

The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname.

Exploit likelihood

2.77%Up 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname.

Record
CVE-2011-1005
CVSS 2.0
5.0 MediumAV:N/AC:L/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 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname.

Record
CVE-2011-1005
Updated
2026-11-02
EUVDEUVD-2011-1022 No score

The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname.

Record
EUVD-2011-1022
Updated
2026-11-03
GitHub AdvisoriesGHSA-h2rc-3ppq-6pjg No score

The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev...

The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname.

Record
GHSA-h2rc-3ppq-6pjg
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
irb
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-devel
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-docs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-libs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-mode
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-tcltk
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
irb
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
Show 42 moreShow less
Affected packages
PackageAffectedFixed
ruby-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-docs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-libs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-mode
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-tcltk
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
irb
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-devel
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-docs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-libs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-mode
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-tcltk
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
irb
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-docs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-libs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-mode
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby-tcltk
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-16.el4
0:1.8.1-16.el4
ruby
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-devel
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-docs
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-irb
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-libs
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-mode
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-rdoc
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-ri
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby-tcltk
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-19.el5_6.1
0:1.8.5-19.el5_6.1
ruby
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-irb
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-libs
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-devel
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-docs
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-rdoc
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-ri
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-static
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1
ruby-tcltk
Red Hat:enterprise_linux:6::server
 before 0:1.8.7.299-7.el6_1.1
0:1.8.7.299-7.el6_1.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1005 is a medium vulnerability (CVSS 5.0) in Ruby-lang Ruby, published March 2, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.77%, the 86th percentile. Fixed in irb 0:1.8.1-16.el4.

References

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