CVE-2025-148477.5HighCWE-130

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

MongoDB Inc. · MongoDB Server

Vendor fix available · Affected: MongoDB Inc. MongoDB Server · Exploitation: in CISA KEV since 29 Dec 2025

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue29 Dec 2025
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

83.2%probability of exploitation in the next 30 days

99th percentile

050100

Higher than 99% of scored CVEs

7.5HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

MongoDB Inc. · MongoDB Serverfrom 8.2 before 8.2.3; from 8.0 before 8.0.17; from 7.0 before 7.0.28; from 6.0 before 6.0.27; from 5.0 before 5.0.32; from 4.4 before 4.4.30 and 3 more

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 29 Dec 2025 · catalogue entry
Public check: MongoDB Server - Information Disclosure (MongoBleed) · nuclei template in projectdiscovery/nuclei-templates
Weakness: Improper Handling of Length Parameter Inconsistency · Memory Corruption
Vendor: MongoDB Inc.
Published: December 2025
Band: Exploited in the wild, December 2025

What changed

29 Dec 2025
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2025-14847 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.