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...

CVE-2026-39414

CVE-2026-39414 affects MinIO’s S3 Select CSV parsing. The CSV reader’s nextSplit() calls ReadBytes('\n') without a size limit, causing unbounded buffering and memory exhaustion (OOM) when processing long lines; a file with no newline can trigger a single large allocation. This can be exploited by...