Medium severity · published Oct 20, 2025
CVE-2025-11979
Use-after-free in the MongoDB server query planner may lead to crash or undefined behavior
6.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
MongoDB · MongoDB
7.0.0 before 7.0.25; 8.0.0 before 8.0.15 · source: NVD
SE
Server · MongoDB Inc.
8.2.0; 8.0.0 before 8.0.14; 7.0.0 before 7.0.25 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11979
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11979
Vendor Advisory
https://jira.mongodb.org/browse/SERVER-105873
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