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Vulnerabilities / CVE-2025-14847

CVE-2025-14847

Published 2025-12-19 · published (not yet in NVD)

CVE-2025-14847

Zlib compressed protocol header length confusion may allow memory read

Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2025-12-29, with a fix-by date of 2026-01-19. Patch it first.

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

8.7 HIGH
CVSS 4.0 · CNA
83%
chance of exploitation in the next 30 days (EPSS; in the top 1% of all CVEs)

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.

Scores

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NCNA
7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCNA

Affected products

  • MongoDB Inc. MongoDB Server: 8.2 to < 8.2.3; 8.0 to < 8.0.17; 7.0 to < 7.0.28; 6.0 to < 6.0.27; 5.0 to < 5.0.32; 4.4 to < 4.4.30; 4.2; 4.0; 3.6

Weakness: CWE-130

Also known as: BIT-mongodb-2025-14847

1 references (advisories, patches, write-ups)

Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.

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