Every CVE Search/ Get API key

CVE-2008-3905

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9...

5.8 Medium

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.

Exploit likelihood

2.42%Down 1.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.8

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.

Record
CVE-2008-3905
CVSS 2.0
5.8 MediumAV:N/AC:M/Au:N/C:N/I:P/A:P
Weakness
CWE-287
Updated
2026-11-02
CVE List No score

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.

Record
CVE-2008-3905
Updated
2026-11-02
EUVDEUVD-2008-3891 No score

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.

Record
EUVD-2008-3891
Updated
2026-11-03
GitHub AdvisoriesGHSA-vwcj-mf69-7rfw No score

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9...

resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.

Record
GHSA-vwcj-mf69-7rfw
Weakness
CWE-287
Updated
2026-11-02
OSVRHSA-2026:7305 7.5

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-2026:7307 7.5

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-2026:8838 7.5

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

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ruby1.8
Debian:4.0
From an advisory covering 5 CVEs
before 1.8.5-4etch3, plus listed versions
1.8.5-41.8.5-4etch11.8.5-4etch2
1.8.5-4etch3
ruby1.9
Debian:4.0
From an advisory covering 5 CVEs
before 1.9.0+20060609-1etch3, plus listed versions
1.9.0+20060609-11.9.0+20060609-1etch11.9.0+20060609-1etch2
1.9.0+20060609-1etch3
irb
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-docs
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-libs
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-mode
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-tcltk
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
Show 96 moreShow less
Affected packages
PackageAffectedFixed
irb
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-docs
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-libs
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-mode
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-tcltk
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
irb
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-docs
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-libs
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-mode
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-tcltk
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
irb
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-docs
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-libs
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-mode
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
ruby-tcltk
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
before 0:1.6.8-13.el3
0:1.6.8-13.el3
irb
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
irb
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
irb
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
irb
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-mode
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-docs
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-irb
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-libs
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-rdoc
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-ri
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-tcltk
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-docs
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-irb
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-libs
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-mode
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-rdoc
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-ri
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-tcltk
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
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

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.

In short

CVE-2008-3905 is a medium vulnerability (CVSS 5.8) in Ruby-lang Ruby, published September 4, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.42%, the 84th percentile. No source names a fixed version.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 4 references. The JSON record has them.

MoveEnter Open