CVE-2025-11979

Use-after-free in the MongoDB server query planner may lead to crash or undefined behavior

State: Published
Severity: 5.3 Medium
Published: Oct 20, 2025
Updated: Oct 20, 2025
Reserved: Oct 20, 2025

Description

An authorized user may crash the MongoDB server by causing buffer over-read. This can be done by issuing a DDL operation while queries are being issued, under some conditions. This issue affects MongoDB Server v7.0 versions prior to 7.0.25, MongoDB Server v8.0 versions prior to 8.0.15, and MongoDB Server version 8.2.0.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	mongodb

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
ServerMongoDB Inc.	8.2.0Affected 8.0.0 to before 8.0.14Affected 7.0.0 to before 7.0.25Affected

References

https://jira.mongodb.org/browse/SERVER-105873

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