CVE-2012-5372: Rubinius computes hash values without properly restricting the ability to trigger hash collisions predictab...

Security readout for executives and security teams

CVE-2012-5372 is a denial-of-service issue in Rubinius. Crafted input can predictably trigger many hash collisions, making affected applications spend excessive CPU time processing hash tables. Business impact is service slowdown or outage, not data theft, based on the provided sources. Exposure is most likely where internet-facing or partner-facing applications run Rubinius and place attacker-controlled request data into hash tables. The source bundle does not define exact affected versions or downstream products. Treat as a targeted availability risk. Prioritize exposed Rubinius-backed services that process untrusted input, especially customer-facing applications where CPU exhaustion could interrupt revenue or support operations. Mitigation focus: Inventory applications and services that use Rubinius.; Check Rubinius and advisory guidance for fixed versions or configuration advice.; Apply confirmed vendor updates when identified..

Prepared

Jun 24, 2026, 12:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.