Ruby is an interpreted object-oriented programming language. The elaborate standard library includes an HTTP server (“WEBRick”) and a class for XML parsing (“REXML”).
Multiple vulnerabilities have been discovered in Ruby. Please review the referenced CVE identifiers for details.
A remote attacker could execute arbitrary code, cause a Denial of Service condition, or obtain sensitive information.
There is no known workaround at this time.
All Ruby users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.2.8"