| Name | CVE-2026-84968 |
| Description | An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents. |
| 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) |
| References | DSA-6539-1 |
| Debian Bugs | 1149050 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php-mongodb (PTS) | bookworm | 1.15.0+1.11.1+1.9.2+1.7.5-1 | vulnerable |
| trixie | 2.0.0-1 | vulnerable |
| trixie (security) | 2.0.0-1+deb13u1 | fixed |
| forky | 2.1.0-1 | vulnerable |
| sid | 2.5.3-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - php-mongodb <postponed> (Minor issue, infoleak)
https://jira.mongodb.org/browse/PHPC-2744
https://github.com/mongodb/mongo-php-driver/security/advisories/GHSA-j5wj-7mj9-v673
Fixed by: https://github.com/mongodb/mongo-php-driver/commit/44f68614e0a859a0d880811e3f93c2a02330c565 (2.5.1)