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Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not properly restrict access to critical variables and methods at various safe levels, which allows context-dependent attackers to bypass intended access restrictions via (1) untrace_var, (2) $PROGRAM_NAME, and (3) syslog at safe level 4, and (4) insecure methods at safe levels 1 through 3.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Ruby | — | Upgrade macOS to the latest version | Dec 16, 2011 | Aug 12, 2008 |
| Centos_linux | — | Upgrade ruby-libsUpgrade ruby-irbUpgrade ruby-tcltkUpgrade ruby-rdocUpgrade ruby-modeUpgrade ruby-docsUpgrade ruby-riUpgrade ruby-develUpgrade ruby | Dec 1, 2016 | Aug 12, 2008 |
| Freebsd | — | Upgrade rubyUpgrade ruby+pthreadsUpgrade ruby+onigurumaUpgrade ruby+pthreads+oniguruma | Dec 10, 2025 | Aug 16, 2008 |
| Gentoo Linux | — | Upgrade dev-lang/ruby. | Oct 30, 2017 | Aug 12, 2008 |
| Oracle_linux | — | Upgrade ruby-develUpgrade ruby-tcltkUpgrade ruby-rdocUpgrade ruby-modeUpgrade rubyUpgrade ruby-irbUpgrade ruby-riUpgrade ruby-libsUpgrade ruby-docs | Oct 16, 2024 | Aug 13, 2008 |
| Suse | — | Upgrade rubyUpgrade ruby-tkUpgrade ruby-doc-html | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade libruby1.8Upgrade ruby1.8 | Nov 8, 2024 | Aug 13, 2008 |
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