Security researchers utilizing an AI-powered tool called Xint Code have uncovered high-severity vulnerabilities in PostgreSQL and MariaDB, including buffer overflow issues that have gone undetected for over 20 years. A zero-day bug was found in PostgreSQL's pgcrypto extension, while a heap buffer overflow was discovered in MariaDB's JSON schema. These vulnerabilities, which were disclosed at the zeroday.cloud hacking event, pose a significant threat as they can be exploited before patches are available, putting defenders at a disadvantage1. The fact that these bugs have remained hidden for so long highlights the importance of leveraging advanced tools like AI-powered security analysis to identify and address potential weaknesses. The discovery of these vulnerabilities underscores the need for database administrators to stay vigilant and prioritize patching and updating their systems to prevent exploitation. This matters to practitioners because zero-day exploitation can lead to significant security breaches, making it essential to proactively address these vulnerabilities.