CVE-2025-12119

Bulk write with options may read invalid memory

State: Published
Severity: 6.9 Medium
Published: Nov 18, 2025
Updated: Jan 14, 2026
Reserved: Oct 23, 2025

Description

A mongoc_bulk_operation_t may read invalid memory if large options are passed.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N	mongodb
3.1	6.8 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L	mongodb

Weaknesses

CWE-825 Expired Pointer Dereference

Affected Products

Product	Versions
C DriverMongoDB	1.9.0 through 1.30.5Affected 2.0.0 through 2.1.1Affected
PHP DriverMongoDB	2.1.2 and earlierAffected

References

https://github.com/mongodb/mongo-php-driver/releases/tag/1.21.2
https://github.com/mongodb/mongo-c-driver/releases/tag/1.30.6
https://github.com/mongodb/mongo-c-driver/releases/tag/2.1.2
https://lists.debian.org/debian-lts-announce/2026/01/msg00009.html

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