Medium
MongoDB driver extension affected by mongoc_bulk_operation_t's read of invalid memory
A mongoc_bulk_operation_t may read invalid memory if large options are passed.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | mongodb/mongodb-extension | < 1.21.2 | 1.21.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-12119
- https://github.com/mongodb/mongo-c-driver/commit/775998df7c67
- https://github.com/mongodb/mongo-php-driver/commit/fa5b43366407bc0e5b0a919ed374decd9022b2f9
- 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://github.com/mongodb/mongo-php-driver
- https://github.com/mongodb/mongo-php-driver/releases/tag/1.21.2
- https://jira.mongodb.org/browse/PHPC-2637
- https://lists.debian.org/debian-lts-announce/2026/01/msg00009.html
CVSS score
6.8/10
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L- Weakness (CWE)
CWE-825- Platform
- Composer
- Package
mongodb/mongodb-extension- Disclosed
- 19.11.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-mwcc-7vpp-xmv9 - CC BY 4.0
Vulnerability history: mongodb/mongodb-extension
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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