CVE-2021-46877: High severity fasterxml jackson-databind vulnerability

Published Mar 18, 2023
·
Updated

A flaw was found in Jackson Databind. This issue may allow a malicious user to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.

Other sources

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 Software

17 affected componentsFixes available
redhat/jenkins<0:2.401.1.1686649641-3.el8
0:2.401.1.1686649641-3.el8
redhat/jenkins<0:2.387.3.1684911776-3.el8
0:2.387.3.1684911776-3.el8
redhat/eap7-wildfly<0:7.4.12-3.GA_redhat_00003.1.el8ea
0:7.4.12-3.GA_redhat_00003.1.el8ea
redhat/eap7-wildfly<0:7.4.12-3.GA_redhat_00003.1.el9ea
0:7.4.12-3.GA_redhat_00003.1.el9ea
redhat/eap7-wildfly<0:7.4.12-3.GA_redhat_00003.1.el7ea
0:7.4.12-3.GA_redhat_00003.1.el7ea
redhat/rh-sso7-keycloak<0:18.0.9-1.redhat_00001.1.el7
0:18.0.9-1.redhat_00001.1.el7
redhat/rh-sso7-keycloak<0:18.0.9-1.redhat_00001.1.el8
0:18.0.9-1.redhat_00001.1.el8
redhat/rh-sso7-keycloak<0:18.0.9-1.redhat_00001.1.el9
0:18.0.9-1.redhat_00001.1.el9
maven/com.fasterxml.jackson.core:jackson-databind>=2.13.0<2.13.1
2.13.1
maven/com.fasterxml.jackson.core:jackson-databind>=2.10.0<2.12.6
2.12.6
fasterxml jackson-databind>=2.10.0<2.12.6
fasterxml jackson-databind=2.13.0
fasterxml jackson-databind=2.13.0-rc1
fasterxml jackson-databind=2.13.0-rc2
redhat/jackson-databind<2.13.1
2.13.1
redhat/jackson-databind<2.12.6
2.12.6
IBM Financial Transaction Manager for ACH Services and Check Services for Multi-Platform<=3.0.0.0 - 3.0.5.4 iFix 27

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/jenkins to a version that resolves this vulnerability.

    Fixed in 0:2.401.1.1686649641-3.el8
  2. Upgrade

    Upgrade redhat/jenkins to a version that resolves this vulnerability.

    Fixed in 0:2.387.3.1684911776-3.el8
  3. Upgrade

    Upgrade redhat/eap7-wildfly to a version that resolves this vulnerability.

    Fixed in 0:7.4.12-3.GA_redhat_00003.1.el8ea
  4. Upgrade

    Upgrade redhat/eap7-wildfly to a version that resolves this vulnerability.

    Fixed in 0:7.4.12-3.GA_redhat_00003.1.el9ea
  5. Upgrade

    Upgrade redhat/eap7-wildfly to a version that resolves this vulnerability.

    Fixed in 0:7.4.12-3.GA_redhat_00003.1.el7ea
  6. Upgrade

    Upgrade redhat/rh-sso7-keycloak to a version that resolves this vulnerability.

    Fixed in 0:18.0.9-1.redhat_00001.1.el7
  7. Upgrade

    Upgrade redhat/rh-sso7-keycloak to a version that resolves this vulnerability.

    Fixed in 0:18.0.9-1.redhat_00001.1.el8
  8. Upgrade

    Upgrade redhat/rh-sso7-keycloak to a version that resolves this vulnerability.

    Fixed in 0:18.0.9-1.redhat_00001.1.el9
  9. Upgrade

    Upgrade maven/com.fasterxml.jackson.core:jackson-databind to a version that resolves this vulnerability.

    Fixed in 2.13.1
  10. Upgrade

    Upgrade maven/com.fasterxml.jackson.core:jackson-databind to a version that resolves this vulnerability.

    Fixed in 2.12.6
  11. Upgrade

    Upgrade redhat/jackson-databind to a version that resolves this vulnerability.

    Fixed in 2.13.1
  12. Upgrade

    Upgrade redhat/jackson-databind to a version that resolves this vulnerability.

    Fixed in 2.12.6

Event History

Mar 18, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Mar 19, 2023
Advisory Published
via GitHub·12:30 AM
Apr 11, 2023
Data Sourced
via Red Hat·04:16 AM
DescriptionSeverityAffected Software
Feb 9, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2021-46877?

The severity of CVE-2021-46877 is high with a severity value of 7.5.

2

What is the affected software of CVE-2021-46877?

The affected software of CVE-2021-46877 includes jackson-databind versions 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1.

3

How can an attacker exploit CVE-2021-46877?

An attacker can exploit CVE-2021-46877 to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.

4

What is the remedy for CVE-2021-46877?

The remedy for CVE-2021-46877 is to update to jackson-databind version 2.12.6 or 2.13.1.

5

Where can I find more information about CVE-2021-46877?

You can find more information about CVE-2021-46877 on the CVE website (https://www.cve.org/CVERecord?id=CVE-2021-46877) and the NIST National Vulnerability Database (https://nvd.nist.gov/vuln/detail/CVE-2021-46877).

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