Maintenance of Ruby 2.0.0 ended on February 24, 2016. Read more

In Files

  • error.c

Parent

SecurityError

Raised when attempting a potential unsafe operation, typically when the $SAFE level is raised above 0.

foo = "bar"
proc = Proc.new do
  $SAFE = 4
  foo.gsub! "a", "*"
end
proc.call

raises the exception:

SecurityError: Insecure: can't modify string