Security Advisory

CVE-2026-84968

5.3
MEDIUM

Vulnerability 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.
Published Date September 3, 2026
Official Source NIST NVD Advisory