CVE-2024-6383: MongoDB Inc Libbson

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

The bson_string_append function in MongoDB C Driver may be vulnerable to a buffer overflow where the function might attempt to allocate too small of buffer and may lead to memory corruption of neighbouring heap memory. This issue affects libbson versions prior to 1.27.1

Affected products

• MongoDB Inc Libbson: before 1.27.1 (fixed in 1.27.1)

Published 2024-07-03. Last modified 2026-06-17.