CVE detail
CVE-2025-14847 — MongoDB and MongoDB Server Improper Handling of Length Parameter Inconsistency Vulnerability
Published 2025-12-29 · Modified 2025-12-29 · Source kev
HIGH
severity
CVSS-derived band
0.8301
EPSS probability
exploitation probability, 30d
100.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2026-01-19
⚠ Actively exploited in the wild — CISA KEV listed 2025-12-29, federal remediation due 2026-01-19.
Description
MongoDB Server contains an improper handling of length parameter inconsistency vulnerability in Zlib compressed protocol headers. This vulnerability may allow a read of uninitialized heap memory by an unauthenticated client.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References