CVE-2012-5371

Name of the Vulnerable Software and Affected Versions Ruby versions 1.9 before 1.9.3-p327 Ruby versions 2.0 before r37575

Description The issue allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table. This is demonstrated by a universal multicollision attack against a variant of the MurmurHash2 algorithm.

Recommendations For Ruby versions 1.9 before 1.9.3-p327, update to version 1.9.3-p327 or later. For Ruby versions 2.0 before r37575, update to version r37575 or later.