CVE catalog
CVE-2021-32040
UBUNTU-CVE-2021-32040
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.01% · Oct 27, 2026
It may be possible to have an extremely long aggregation pipeline in conjunction with a specific stage/operator and cause a stack overflow due to the size of the stack frames used by that stage. If an attacker could cause such an aggregation to occur, they could maliciously crash MongoDB in a DoS attack. This vulnerability affects MongoDB Server v4.4 versions prior to and including 4.4.28, MongoDB Server v5.0 versions prior to 5.0.4 and MongoDB Server v4.2 versions prior to 4.2.16. Workaround: >= v4.2.16 users and all v4.4 users can add the --setParameter internalPipelineLengthLimit=50 instead of the default 1000 to mongod at startup to prevent a crash.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | mongodb | pro | 1:2.4.6-0ubuntu5 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.4.6-0ubuntu6 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.4.8-1ubuntu1 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.4.8-2 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.4.9-1 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.4.9-1ubuntu1 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.4.9-1ubuntu2 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.4.9-1ubuntu2+esm2 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.6.10-0ubuntu1 | vulnerable |
| Ubuntu | mongodb | pro | 1:2.6.10-0ubuntu1+esm2 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.4.7-1 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.4.7-1ubuntu1 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.4.7-1ubuntu2 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.4.7-1ubuntu4 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.4.14-3ubuntu1 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.4.14-3ubuntu2 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.3-0ubuntu1 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.3-0ubuntu1.1 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.3-0ubuntu1.3 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.3-0ubuntu1.4 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.3-0ubuntu1.4+esm1 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.3-0ubuntu1.4+esm2 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3 | vulnerable |
| Ubuntu | mongodb | pro | 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+esm1 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: