CVE-2021-46877: Fasterxml Jackson-Databind

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

jackson-databind 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1 allows attackers to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.

Affected products

• Fasterxml Jackson-Databind: from 2.10.0, before 2.12.6 (fixed in 2.12.6); version 2.13.0 only

Published 2023-03-18. Last modified 2026-06-17.