Red Hat Security Advisory 2018-0583-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: rh-ruby22-ruby, rh-ruby22-rubygems, rh-ruby22-rubygem-psych, rh-ruby22-rubygem-json. Issues addressed include a code execution vulnerability.
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Ubuntu Security Notice 3365-1 - It was discovered that Ruby DL::dlopen incorrectly handled opening libraries. An attacker could possibly use this issue to open libraries with tainted names. This issue only applied to Ubuntu 14.04 LTS. Tony Arcieri, Jeffrey Walton, and Steffan Ullrich discovered that the Ruby OpenSSL extension incorrectly handled hostname wildcard matching. This issue only applied to Ubuntu 14.04 LTS. Christian Hofstaedtler discovered that Ruby Fiddle::Handle incorrectly handled certain crafted strings. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS. Various other issues were also addressed.
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