MongoDB Server v7.0 Xbefore 7.0.25: Buffer Overread Crash by Authorized User
CVE-2025-11979 Published on October 20, 2025
Use-after-free in the MongoDB server query planner may lead to crash or undefined behavior
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.
Vulnerability Analysis
CVE-2025-11979 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2025-11979 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2025-11979
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Affected Versions
MongoDB Inc. Server:- Version 8.2.0 is affected.
- Version 8.0.0 and below 8.0.14 is affected.
- Version 7.0.0 and below 7.0.25 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.