#VU123127 Use-after-free in MongoDB - CVE-2025-11979

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Main Vulnerability Database Vulnerabilities #VU123127

#VU123127 Use-after-free in MongoDB - CVE-2025-11979

Published: February 23, 2026


Vulnerability identifier: #VU123127
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-11979
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
MongoDB
Software vendor:
MongoDB, Inc.

Description

The vulnerability allows a remote user to perform a denial of service attack.

The vulnerability exists due to a use-after-free error. A remote user can crash the MongoDB server by causing buffer over-read by issuing a DDL operation while queries are being issued, under some conditions.


Remediation

Install updates from vendor's website.

External links