A DNS race condition in Amazon's DynamoDB system caused a significant outage that disrupted major websites and services, resulting in potential damages reaching hundreds of billions of dollars. The issue stemmed from a failure in the automated DNS management system, leading to widespread DNS failures and affecting various AWS services. Amazon has since disabled the affected systems and is working to implement safeguards against a recurrence.

A single software bug in Amazon's DynamoDB DNS management system caused a significant outage of Amazon Web Services, affecting millions globally for over 15 hours. The failure stemmed from a race condition triggered by the interaction of two components within the system, which led to widespread service disruptions reported by thousands of organizations.