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

CVE-2025-12119

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

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

MEDIUM · CVSS 6.8 EPSS 7e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-825Expired Pointer Dereference
▤

Affected Products & Versions

3
mongodb c driver>= 1.9.0 and < 1.30.6
mongodb c driver>= 2.0.0 and < 2.1.2
mongodb php driver< 1.21.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist mongodb/mongodb-extension MEDIUM fixed in 1.21.2
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v3.1 · cna@mongodb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Nov 2025 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/mongodb/mongo-c-driver/releases/tag/1.30.6Release Notes
https://github.com/mongodb/mongo-c-driver/releases/tag/2.1.2Release Notes
https://github.com/mongodb/mongo-php-driver/releases/tag/1.21.2Release Notes
https://lists.debian.org/debian-lts-announce/2026/01/msg00009.html
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