CVE-2026-84968

NameCVE-2026-84968
DescriptionAn 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php-mongodb (PTS)bookworm1.15.0+1.11.1+1.9.2+1.7.5-1vulnerable
trixie2.0.0-1vulnerable
forky, sid2.1.0-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php-mongodbsource(unstable)(unfixed)

Notes

https://jira.mongodb.org/browse/PHPC-2744
Fixed by: https://github.com/mongodb/mongo-php-driver/commit/44f68614e0a859a0d880811e3f93c2a02330c565 (2.5.1)

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