CVE-2015-4411: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 6.4% chance of exploitation in the next 30 days.

The Moped::BSON::ObjecId.legal? method in mongodb/bson-ruby before 3.0.4 as used in rubygem-moped allows remote attackers to cause a denial of service (worker resource consumption) via a crafted string. NOTE: This issue is due to an incomplete fix to CVE-2015-4410.

Affected products

• Fedoraproject Fedora: version 21 only; version 22 only
• MongoDB Bson: before 3.0.4 (fixed in 3.0.4)

Published 2020-02-20. Last modified 2026-06-17.