Out-of-bounds Read in MongoDB Libbson

CVE-2018-16790

_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-16790: held from 0.021 to 0.021.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-16790?
CVE-2018-16790 is a high-severity vulnerability in MongoDB Libbson, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2018-09-10.
How severe is CVE-2018-16790?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2018-16790 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.