CVE-2026-96746 Affecting mongo-c-driver package, versions <2.5.5-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-MONGOCDRIVER-20143978
- published25 Sept 2026
- disclosed24 Sept 2026
Introduced: 24 Sep 2026
NewCVE-2026-96746 (opens in a new tab)How to fix?
Upgrade Debian:unstable mongo-c-driver to version 2.5.5-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mongo-c-driver package and not the mongo-c-driver package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
An out-of-bounds write in the connection-monitoring logic of the MongoDB C Driver may allow an unauthenticated party who controls name resolution and the responses of the hosts named in a client's connection string to write beyond the end of a heap buffer. This may cause the application using the driver to terminate unexpectedly.