Every CVESearch/Get API key

CVE-2011-3009

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for...

5.0 Medium

CVE-2011-3009 is a medium vulnerability (CVSS 5.0) in Ruby-lang Ruby, published August 5, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.02%, the 81st percentile. No source names a fixed version.

What does this mean?
Severity
5.0 MediumCVSS 2.0, NVD
Exploit chance
2.02%EPSS, 81st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.

Exploit likelihood

2.02%Up 0.9 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ruby
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-docs
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-rdoc
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-ri
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-static
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-tcltk
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-irb
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-libs
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
Show 102 moreShow less
Affected packages
PackageAffectedFixed
ruby
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-debuginfo
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-devel
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-docs
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-rdoc
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-ri
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-static
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-tcltk
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-irb
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-libs
Red Hat:enterprise_linux:6::computenode
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-docs
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-rdoc
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-ri
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-static
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-tcltk
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-irb
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-libs
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-docs
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-rdoc
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-ri
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-static
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-tcltk
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-irb
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
ruby-libs
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
before 0:1.8.7.352-3.el6
0:1.8.7.352-3.el6
irb
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-docs
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-libs
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-mode
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-tcltk
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
irb
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-docs
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-libs
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-mode
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-tcltk
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
irb
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-docs
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-libs
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-mode
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-tcltk
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
irb
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-docs
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-libs
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-mode
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby-tcltk
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
before 0:1.8.1-18.el4
0:1.8.1-18.el4
ruby
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-docs
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-irb
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-libs
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-rdoc
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-ri
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-tcltk
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-mode
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-docs
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-irb
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-libs
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-mode
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-rdoc
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-ri
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby-tcltk
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
before 0:1.8.5-22.el5_7.1
0:1.8.5-22.el5_7.1
ruby3.3
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.3.10-23.1.hum1
0:3.3.10-23.1.hum1
ruby3.3-bundled-gems
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.3.10-23.1.hum1
0:3.3.10-23.1.hum1
ruby3.3-default-gems
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.3.10-23.1.hum1
0:3.3.10-23.1.hum1
ruby3.3-devel
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.3.10-23.1.hum1
0:3.3.10-23.1.hum1
ruby3.3-doc
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.3.10-23.1.hum1
0:3.3.10-23.1.hum1
ruby3.3-libs
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.3.10-23.1.hum1
0:3.3.10-23.1.hum1
ruby3.4
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.4.8-31.1.hum1
0:3.4.8-31.1.hum1
ruby3.4-bundled-gems
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.4.8-31.1.hum1
0:3.4.8-31.1.hum1
ruby3.4-default-gems
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.4.8-31.1.hum1
0:3.4.8-31.1.hum1
ruby3.4-devel
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.4.8-31.1.hum1
0:3.4.8-31.1.hum1
ruby3.4-doc
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.4.8-31.1.hum1
0:3.4.8-31.1.hum1
ruby3.4-libs
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:3.4.8-31.1.hum1
0:3.4.8-31.1.hum1
ruby4.0
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:4.0.0-33.3.hum1
0:4.0.0-33.3.hum1
ruby4.0-bundled-gems
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:4.0.0-33.3.hum1
0:4.0.0-33.3.hum1
ruby4.0-default-gems
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:4.0.0-33.3.hum1
0:4.0.0-33.3.hum1
ruby4.0-devel
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:4.0.0-33.3.hum1
0:4.0.0-33.3.hum1
ruby4.0-doc
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:4.0.0-33.3.hum1
0:4.0.0-33.3.hum1
ruby4.0-libs
Red Hat:hummingbird:1
From an advisory covering 36 CVEs
before 0:4.0.0-33.3.hum1
0:4.0.0-33.3.hum1

What each source reports

NVD Score used5.0

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.

Record
CVE-2011-3009
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-310
Updated
2026-11-02
CVE ListNo score

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.

Record
CVE-2011-3009
Updated
2026-11-02
EUVDEUVD-2011-2977No score

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.

Record
EUVD-2011-2977
Updated
2026-11-03
GitHub AdvisoriesGHSA-mg6g-jwh6-pwjfNo score

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for...

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.

Record
GHSA-mg6g-jwh6-pwjf
Updated
2026-11-02
OSVRHSA-2026:73057.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record
RHSA-2026:7305
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVRHSA-2026:73077.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record
RHSA-2026:7307
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVRHSA-2026:88387.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record
RHSA-2026:8838
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02

History

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

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

References

Show 175 moreShow less
PagesAll vulnerabilitiesBrowseDocsSourcesGuideGet API key
MoveEnter Open