Buffer overflow in MongoDB Inc Libbson

CVE-2024-6383

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

Vulnerability class: Buffer Overflow

EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-6383?
CVE-2024-6383 is a medium-severity vulnerability in MongoDB Inc Libbson, classified under Heap-based Buffer Overflow. CVSS score: 5.3/10. Published 2024-07-03.
How severe is CVE-2024-6383?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2024-6383 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.