CVE-2025-14847 PoC — Zlib compressed protocol header length confusion may allow memory read

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2025/CVE-2025-14847.yaml

Associated Vulnerability

Title: Zlib compressed protocol header length confusion may allow memory read (CVE-2025-14847)
Description:Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.

Description

MongoDB Server contained a flaw in the zlib decompression logic where mismatched length fields in compressed protocol headers allowed a read of uninitialized heap memory by an unauthenticated client.

File Snapshot

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