Denial of Service Vulnerability in Jackson Databind by FasterXML
CVE-2021-46877

7.5HIGH

Key Information:

Vendor

Fasterxml

Status
Jackson-databind
Vendor
CVE Published:
18 March 2023

What is CVE-2021-46877?

This vulnerability allows attackers to exploit jackson-databind versions 2.10.x through 2.12.x (before 2.12.6) and 2.13.x (before 2.13.1) to cause a denial of service. In specific situations involving JsonNode JDK serialization, it can lead to excessive transient heap usage, potentially consuming up to 2 GB of heap memory per read operation, which can disrupt application performance and availability.

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References

https://groups.google.com/g/jackson-user/c/OsBsirPM_Vw
https://github.com/FasterXML/jackson-databind/issues/3328

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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