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CVE-2018-16790

27
FAUCET Score

CVE-2018-16790 is a heap-based buffer over-read vulnerability in the _bson_iter_next_internal function of libbson 1.12.0, affecting MongoDB's mongo-c-driver and other products. With a CVSS score of 8.1 (HIGH), this vulnerability can be exploited remotely with low attack complexity, potentially leading to high confidentiality impact and denial of service. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.12.0CPE matchmatch criteria
cpe:2.3:a:mongodb:libbson:1.12.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.14%
Probability of exploitation in next 30 days
EPSS Percentile
80.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0214 is in the 79th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-mongodb34-libbson
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-mongodb36-libbson

Vendor Advisories (1)

redhatCVE-2018-16790Moderate

libbson: Heap-based buffer over-read in _bson_iter_next_internal in bson-iter.c

Sep 11, 2018

References

lists.debian.org / debian-lts-announce/2025/05/msg00012.html
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / mongodb/mongo-c-driver/commit/0d9a4d98bfdf4acd2c0138d4aaeb4e2e0934bd84
Patch
jira.mongodb.org / browse/CDRIVER-2819
Issue TrackingThird Party Advisory