Posted by zzak and hone on 19 Aug 2014

We have released 1.9.2-p330, the final release of the 1.9.2 series.

Soon after announcing the End of Life for 1.9.2 (and 1.8.7), a critical security regression was found in 1.9.2. This vulnerability has been assigned the CVE identifier CVE-2014-6438.

This bug occurs when parsing a long string is using the URI method decode_www_form_component. This can be reproduced by running the following on vulnerable Rubies:

ruby -v -ruri -e'URI.decode_www_form_component "A string that causes catastrophic backtracking as it gets longer %"'

Since it was found and patched just before the release of 1.9.3, versions of Ruby 1.9.3-p0 and later are not affected; however versions of Ruby 1.9.2 older than 1.9.2-p330 are affected.

You can read the original report on the bug tracker: https://bugs.ruby-lang.org/issues/5149#note-4

Download

• https://cache.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p330.tar.bz2

  SIZE:   9081661 bytes
  MD5:    8ba4aaf707023e76f80fc8f455c99858
  SHA256: 6d3487ea8a86ad0fa78a8535078ff3c7a91ca9f99eff0a6a08e66c6e6bf2040f
  

• https://cache.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p330.tar.gz

  SIZE:   11416473 bytes
  MD5:    4b9330730491f96b402adc4a561e859a
  SHA256: 23ef45fdaecc5d6c7b4e9e2d51b23817fc6aa8225a20f123f7fa98760e8b5ca9
  

• https://cache.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p330.zip

  SIZE:   12732739 bytes
  MD5:    42d261b28d1b7e500dd3bdbdbfba7fa5
  SHA256: 7a04a028564de7f2ad09f26c8d57fd40fe2b0a6a0e1d9ff7205010ca6e70cea6
  

We encourage you to upgrade to a stable and maintained version of Ruby.

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