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TI-2023-00414 Aliases CVE-2023-0437GHSA-8549-4c5j-x7g2

MongoDB client C Driver may infinitely loop when validating certain BSON input data

Priority LOW 35CWE-835Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.

Summary

When calling bson_utf8_validate on some inputs a loop with an exit condition that cannot be reached may occur, i.e. an infinite loop. This issue affects All MongoDB C Driver versions prior to versions 1.25.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01103 65th percentileScored 2026-11-07
Fix Fixed MongoDB C Driver (MongoDB Inc): 1.25.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MongoDBMongoDB C Driver1.0.0 to before 1.25.01.25.0Patch availableCNA
  • MongoDB C Driver VendorMongoDB Affected 1.0.0 to before 1.25.0 Fixed in 1.25.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:mongodb:*:*before 1.25.0VulnerableMongoDB
  • cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:mongodb:*:* Versions before 1.25.0 Vulnerable ·MongoDB

Remediation

  • Fix · CNA MongoDB C Driver (MongoDB Inc) Fixed in 1.25.0

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0437
  2. 2026-10-03 Alias added: GHSA-8549-4c5j-x7g2

References

  • TI-2026-62966 Heap overflow via oversized decrypted TLS record sequence in Windows Secure Channel stream CVSS 4.0CRITICAL 9.2
  • TI-2026-05870 MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow CVSS 4.0HIGH 8.6
  • TI-2026-62968 Integer Underflow → Heap Out-of-Bounds Read in `bson_new_from_buffer() CVSS 4.0MEDIUM 6.9
  • TI-2024-07001 Accessing Untrusted Directory May Allow Local Privilege Escalation CVSS 3.1HIGH 7.8
  • TI-2026-58387 Heap corruption via OCSP request double free from crafted multi-URL certificate in TLS client CVSS 4.0HIGH 8.2
  • TI-2026-58386 Silent field truncation via unchecked int cast of huge JSON string values in JSON-to-BSON parser CVSS 4.0MEDIUM 6.3
See all 20 →

Sources