Live › vulnerability › CVE-2025-14847
Go to dashboardMongoDB Server mishandles a length field in Zlib-compressed protocol headers, so a remote client can make it read uninitialized heap memory. An unauthenticated attacker can leak whatever sits in server memory, which may include credentials or data from other operations.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| MongoDB MongoDB and MongoDB Server | vendor | – | – |
| mongodb | vendor | >= 3.6.0, < 4.4.30 | 4.4.30 |
| mongodb | vendor | >= 5.0.0, < 5.0.32 | 5.0.32 |
| mongodb | vendor | >= 6.0.0, < 6.0.27 | 6.0.27 |
| mongodb | vendor | >= 7.0.0, < 7.0.28 | 7.0.28 |
| mongodb |
| vendor |
| >= 8.0.0, < 8.0.17 |
| 8.0.17 |
| mongodb | vendor | >= 8.2.0, < 8.2.3 | 8.2.3 |
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
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