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1.8.23.1 Released

published 09 Sep 2013

RubyGems 1.8.23.1 includes a security update to fix CVE-2013-4287. This release is designed to update the version of RubyGems in Ruby 1.9.3 to fix this security problem.

To update to the latest RubyGems you can run:

gem update --system

If you need to upgrade or downgrade please follow the how to upgrade/downgrade RubyGems instructions. To install RubyGems by hand see the Download RubyGems page.

Security fixes:

  • RubyGems 2.0.7 and earlier are vulnerable to excessive CPU usage due to a backtracking in Gem::Version validation. See CVE-2013-4287 for full details including vulnerable APIs. Fixed versions include 2.0.8, 1.8.26 and 1.8.23.1 (for Ruby 1.9.3). Issue #626 by Damir Sharipov.

Eric Hodel Eric Hodel