| Name | CVE-2026-96746 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| mongo-c-driver (PTS) | bookworm | 1.23.1-1+deb12u3 | vulnerable |
| trixie | 1.30.4-1+deb13u3 | vulnerable | |
| forky | 2.5.7-1 | fixed | |
| sid | 2.5.8-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| mongo-c-driver | source | (unstable) | 2.5.5-1 |
[trixie] - mongo-c-driver <no-dsa> (Minor issue)
https://github.com/mongodb/mongo-c-driver/security/advisories/GHSA-frjf-h5jg-4v46
https://jira.mongodb.org/browse/CDRIVER-6404
https://github.com/mongodb/mongo-c-driver/commit/52352bfdea96506fafe0f53e222a1f61eebe54f2 (2.5.5)
https://github.com/mongodb/mongo-c-driver/commit/59bcc756ad8f04af74b84b88ab747adfd2647b5b (1.30.12)