Apache Parquet users warned of maximum risk security flaw, told to patch now

• Researchers claim Apache Parquet was carrying a maximum-severity flaw
• It allows threat actors to run arbitrary code
• A patch was released, and users are urged to apply it

Apache Parquet, a columnar storage file format, was carrying a maximum-severity vulnerability that allowed threat actors to run arbitrary code on affected endpoints.

Parquet is a columnar storage file format optimized for efficient data storage and processing, commonly used in big data and analytics workloads, with Amazon, Google, Microsoft, and Meta just some of the large companies which use it.