CVE-2026-84968
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mongodb Php Driver
PublishedSep 3, 2026
First seenSep 3, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- mongodb php_driver1.21.9, 2.1.9, 2.5.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb php_driver | 1.15.0 ≤ v < 1.21.9, 2.0.0 ≤ v < 2.1.9, 2.2.0 ≤ v < 2.5.2 | 1.21.9, 2.1.9, 2.5.2 |
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