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Fencer Vulns
high 7.5

CVE-2005-2337 json

Ruby 1.6.x up to 1.6.8, 1.8.x up to 1.8.2, and 1.9.0 development up to 2005-09-01 allows attackers to bypass safe level and taint flag prot…

published 2005-10-07 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2338

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Ruby 1.6.x up to 1.6.8, 1.8.x up to 1.8.2, and 1.9.0 development up to 2005-09-01 allows attackers to bypass safe level and taint flag protections and execute disallowed code when Ruby processes a program through standard input (stdin).

Patch / fix

  • ruby RHEL 3 1.6.8-9.EL3.4
  • ruby RHEL 4 1.8.1-7.EL4.2
  • irb RHEL 3 1.6.8-9.EL3.4
  • irb RHEL 4 1.8.1-7.EL4.2
  • ruby-libs RHEL 3 1.6.8-9.EL3.4
  • ruby-libs RHEL 4 1.8.1-7.EL4.2
  • ruby-mode RHEL 3 1.6.8-9.EL3.4
  • ruby-mode RHEL 4 1.8.1-7.EL4.2

red hat advisories RHSA-2005:799

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2005-2337 updated

security flaw

  • Red Hat Desktop version 3 irb 1.6.8-9.EL3.4, ruby 1.6.8-9.EL3.4, ruby-libs 1.6.8-9.EL3.4, ruby-mode 1.6.8-9.EL3.4, ruby-tcltk 1.6.8-9.EL3.4 Red Hat Enterprise Linux AS version 3 irb 1.6.8-9.EL3.4, ruby 1.6.8-9.EL3.4, ruby-libs 1.6.8-9.EL3.4, ruby-mode 1.6.8-9.EL3.4, ruby-tcltk 1.6.8-9.EL3.4 Red Hat Enterprise Linux AS version 4 irb 1.8.1-7.EL4.2, ruby 1.8.1-7.EL4.2, ruby-libs 1.8.1-7.EL4.2, ruby-mode 1.8.1-7.EL4.2, ruby-tcltk 1.8.1-7.EL4.2 Red Hat Enterprise Linux Desktop version 4 irb 1.8.1-7.EL4.2, ruby 1.8.1-7.EL4.2, ruby-libs 1.8.1-7.EL4.2, ruby-mode 1.8.1-7.EL4.2, ruby-tcltk 1.8.1-7.EL4.2 Red Hat Enterprise Linux ES version 3 irb 1.6.8-9.EL3.4, ruby 1.6.8-9.EL3.4, ruby-libs 1.6.8-9.EL3.4, ruby-mode 1.6.8-9.EL3.4, ruby-tcltk 1.6.8-9.EL3.4 Red Hat Enterprise Linux ES version 4 irb 1.8.1-7.EL4.2, ruby 1.8.1-7.EL4.2, ruby-libs 1.8.1-7.EL4.2, ruby-mode 1.8.1-7.EL4.2, ruby-tcltk 1.8.1-7.EL4.2
    +2 more products
    Red Hat Enterprise Linux WS version 3 irb 1.6.8-9.EL3.4, ruby 1.6.8-9.EL3.4, ruby-libs 1.6.8-9.EL3.4, ruby-mode 1.6.8-9.EL3.4, ruby-tcltk 1.6.8-9.EL3.4 Red Hat Enterprise Linux WS version 4 irb 1.8.1-7.EL4.2, ruby 1.8.1-7.EL4.2, ruby-libs 1.8.1-7.EL4.2, ruby-mode 1.8.1-7.EL4.2, ruby-tcltk 1.8.1-7.EL4.2
    fixed: vendor fix RHSA-2005:799

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.26% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.