CVE-2024-6383: mongodb inc libbson Heap-based Buffer Overflow

Vulnerability summary

CVE-2024-6383 is a medium (CVSS 5.3) Heap-based Buffer Overflow vulnerability in mongodb inc libbson. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 48.9% of scored vulnerabilities.

Timeline

1. 03-07-2024
   PublishedVulnerability first disclosed.
2. 03-11-2025
   Last modifiedVulnerability information updated.

Description

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

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().