CVE-2026-84968
Heap out-of-bounds read via corrupt nested BSON in field path error message
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | mongodb |
| Product | php driver |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 3, 2026 |
| Last Updated | Sep 3, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
MongoDB / PHP Driver
1.15.0 < 1.21.8 2.0.0 < 2.5.1