CVE-2018-16790
CVE-2018-16790 is a high-severity vulnerability in Mongodb Libbson with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Mongodb Libbson
- Published:
- Last modified:
Description
_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.
Frequently asked questions
- What is 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.
- How severe is CVE-2018-16790?
- CVE-2018-16790 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2018-16790 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-16790?
- CVE-2018-16790 affects Mongodb Libbson. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-16790?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-16790 published?
- CVE-2018-16790 was published on 2018-09-10 and last updated on 2026-06-17.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1627923#c3
- https://github.com/mongodb/mongo-c-driver/commit/0d9a4d98bfdf4acd2c0138d4aaeb4e2e0934bd84
- https://jira.mongodb.org/browse/CDRIVER-2819
- https://lists.debian.org/debian-lts-announce/2025/05/msg00012.html
Affected products (1)
- cpe:2.3:a:mongodb:libbson:1.12.0:*:*:*:*:*:*:*
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