Description
A mongoc_bulk_operation_t may read invalid memory if large options are passed.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| MongoDB | C Driver | 1.9.0 – ≤ 1.30.5, 2.0.0 – ≤ 2.1.1 | — |
| MongoDB | PHP Driver | ≤ 2.1.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | mongo-c-driver | 2.1.2-1 | — |
| Debian 13 | mongo-c-driver | 1.30.4-1+deb13u1 | — |
| Debian 12 | mongo-c-driver | 1.23.1-1+deb12u2 | — |
| Debian 11 | mongo-c-driver | 1.17.6-1+deb11u2 | DLA-4438-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | php-mongodb | No fix yet | — |
| Ubuntu 26.04 LTS | php-mongodb +1 | No fix yet | — |
| Ubuntu 25.10 | php-mongodb +1 | No fix yet | — |
| Ubuntu 24.04 LTS | php-mongodb | No fix yet | — |
| Ubuntu 22.04 LTS | php-mongodb | No fix yet | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | php-mongodb | No fix yet | — |
| Ubuntu 18.04 LTS | php-mongodb | No fix yet | — |
| Ubuntu 16.04 LTS | php-mongodb | No fix yet | — |
| Ubuntu Pro 24.04 LTS | mongo-c-driver | No fix yet | — |
| Ubuntu Pro 22.04 LTS | mongo-c-driver | No fix yet | — |
| Ubuntu Pro 20.04 LTS | mongo-c-driver | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | mongodb/mongodb-extension | < 1.21.2 | 1.21.2 | GHSA-mwcc-7vpp-xmv9 |
Advisories 2
- WID-SEC-2025-2642 MongoDB: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Jan 14, 2026
- DLA-4438-1 mongo-c-driver - security update Debian Security (DSA / DLA) · Jan 14, 2026