What’s Vulnerable › Vulnerabilities

CVE-2025-12119: Bulk write with options may read invalid memory

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-18 · updated 2026-10-07
• Weakness: CWE-825

Description

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

Affected products

• MongoDB C# Driver: from 1.9.0 before 1.30.6; from 2.0.0 before 2.1.2 — fixed in 1.30.6, 2.1.2
• MongoDB PHP Driver: before 1.21.2 — fixed in 1.21.2

How to fix

Upgrade to a fixed version: MongoDB C# Driver 1.30.6, 2.1.2; MongoDB PHP Driver 1.21.2. Check the vendor advisory for mitigations.

References

• 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/releases/tag/1.21.2
• https://lists.debian.org/debian-lts-announce/2026/01/msg00009.html

Get alerted when CVE-2025-12119 or the next vulnerability affects your stack