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CVE-2021-46877

jackson-databind possible Denial of Service if using JDK serialization to serialize JsonNode

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.

Patch Available

Fix available through Seal Security. No upgrade required, protect your application instantly.

Fix without upgrading
Vulnerability Details
Score
7.5
Score Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Versions
com.fasterxml.jackson.core:jackson-databind >= 2.10.0 < 2.12.6; com.fasterxml.jackson.core:jackson-databind >= 2.13.0 < 2.13.1
Severity
High
Ecosystem
Publish Date
March 18, 2023
Modified Date
February 26, 2025