UpHeron
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Servers and applications

CVE-2018-20803

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which loop indefinitely in mathematics processing while retaining locks. This issue affects MongoDB Server v4.0 versions prior to 4.0.5; MongoDB Server v3.6 versions prior to 3.6.10 and MongoDB Server v3.4 versions prior to 3.4.19.

Severity
Medium 6.5
Published
23 Nov 2020
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.4.19, 3.6.10, 4.0.5
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 3.4.0 before 3.4.19
  • From 3.6.0 before 3.6.10
  • From 4.0.0 before 4.0.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-20803
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-20803