MinIO affected a DoS via Unbounded Memory Allocation in S3 Select CSV Parsing

Impact What kind of vulnerability is it? Who is impacted? MinIO's S3 Select feature is vulnerable to memory exhaustion when processing CSV files containing lines longer than available memory. The CSV reader's nextSplit function calls bufio.Reader.ReadBytes'\n' with no size limit, buffering the...

CVE-2026-39414

MinIO is a high-performance object storage system. From RELEASE.2018-08-18T03-49-57Z to before RELEASE.2025-12-20T04-58-37Z, MinIO's S3 Select feature is vulnerable to memory exhaustion when processing CSV files containing lines longer than available memory. The CSV reader's nextSplit function...