Critical MongoDB Vulnerability Exposes Sensitive Data via Zlib Compression

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Critical MongoDB Vulnerability Exposes Sensitive Data via zlib Compression A critical vulnerability, tracked as CVE-2025-14847, has been identified in MongoDB's zlib compression implementation, allowing attackers to extract uninitialized heap memory from database servers without authentication. This flaw affects multiple versions of MongoDB and could potentially expose sensitive data stored in uninitialized heap memory. 6 sources 52