What are the contents of defect report?

A defect report should inform description about the defect.
Which version or build of software release being tested during which defect occurred.
Which is the module name, how to access this module (path), what were the steps carried out What was the functionality affected, how severe you think the defect is.
Name of the tester who discovered the defect, name of the developer to whom defect has been assigned.
Test case affected mapped to requirement specification document ids and number of test cases that may not be tested due to the defect.