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GHSA-mwcc-7vpp-xmv9

MEDIUMFix: mongodb/mongo-c-driver@775998d

GHSA-mwcc-7vpp-xmv9 is a medium-severity (CVSS 6.8) CWE-825 vulnerability in mongodb/mongodb-extension. O3 Security confirms whether GHSA-mwcc-7vpp-xmv9 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

MongoDB driver extension affected by mongoc_bulk_operation_t's read of invalid memory

Also known asCVE-2025-12119
Published
Nov 19, 2025
Updated
Mar 24, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Real-World Exposure

1 pkg affected
🐘mongodb/mongodb-extension

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

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

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistmongodb/mongodb-extensionall versions1.21.2

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for mongodb/mongodb-extension. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update mongodb/mongodb-extension to 1.21.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-mwcc-7vpp-xmv9 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-mwcc-7vpp-xmv9 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-mwcc-7vpp-xmv9. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

A mongoc_bulk_operation_t may read invalid memory if large options are passed.
O3 Security · Impact-Aware SCA

Is GHSA-mwcc-7vpp-xmv9 in your dependencies?

O3 detects GHSA-mwcc-7vpp-xmv9 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.