_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB…
Priority LOW 39CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
_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.
Why it matters now
EPSS 0.02128 82nd percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16790
- 2026-10-03 Alias added: GHSA-vmg6-94hc-5vqp
References
More MongoDB Libbson vulnerabilities
- TI-2025-00643 MongoDB C Driver bson library may be susceptible to buffer overflow CVSS 3.1HIGH 8.4
- TI-2024-05923 MongoDB C Driver bson_strfreev may be susceptible to integer overflow CVSS 3.1MEDIUM 5.3
Sources
- CVE-2018-16790 · CVE Program
- CVE-2018-16790 · NVD
- FIRST EPSS
- GHSA-vmg6-94hc-5vqp · GitHub Advisory Database · CC BY 4.0
- CVE-2018-16790 · Red Hat security data · CC BY 4.0
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