Read the docs
TI-2021-21545 Aliases CVE-2021-46877GHSA-3x8x-79m2-3w2w

jackson-databind 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1 allows…

Priority LOW 35CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 18 fixed, 18 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-770.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01124 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial com.fasterxml.jackson.core:jackson-databind (Maven): 2.12.6, 2.13.1Red Hat: 18 advisoriesRed Hat: 18 fixed, 18 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—com.fasterxml.jackson.core:jackson-databind (Maven)2.10.0 to before 2.12.62.12.6Patch availableGHSA-3x8x-79m2-3w2w
—com.fasterxml.jackson.core:jackson-databind (Maven)2.13.0 to before 2.13.12.13.1Patch availableGHSA-3x8x-79m2-3w2w
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • com.fasterxml.jackson.core:jackson-databind (Maven) Vendor— Affected 2.10.0 to before 2.12.6 Fixed in 2.12.6 Patch available GHSA-3x8x-79m2-3w2w
  • com.fasterxml.jackson.core:jackson-databind (Maven) Vendor— Affected 2.13.0 to before 2.13.1 Fixed in 2.13.1 Patch available GHSA-3x8x-79m2-3w2w

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:fasterxml:jackson-databind:*:*:*:*:*:*:*:*2.10.0 to before 2.12.6VulnerableFasterXML
cpe:2.3:a:fasterxml:jackson-databind:2.13.0:-:*:*:*:*:*:*2.13.0VulnerableFasterXML
cpe:2.3:a:fasterxml:jackson-databind:2.13.0:rc1:*:*:*:*:*:*2.13.0 rc1VulnerableFasterXML
cpe:2.3:a:fasterxml:jackson-databind:2.13.0:rc2:*:*:*:*:*:*2.13.0 rc2VulnerableFasterXML
  • cpe:2.3:a:fasterxml:jackson-databind:*:*:*:*:*:*:*:* Versions 2.10.0 to before 2.12.6 Vulnerable ·FasterXML
  • cpe:2.3:a:fasterxml:jackson-databind:2.13.0:-:*:*:*:*:*:* Versions 2.13.0 Vulnerable ·FasterXML
  • cpe:2.3:a:fasterxml:jackson-databind:2.13.0:rc1:*:*:*:*:*:* Versions 2.13.0 rc1 Vulnerable ·FasterXML
  • cpe:2.3:a:fasterxml:jackson-databind:2.13.0:rc2:*:*:*:*:*:* Versions 2.13.0 rc2 Vulnerable ·FasterXML

Remediation

  • Fix · GHSA-3x8x-79m2-3w2w com.fasterxml.jackson.core:jackson-databind (Maven) Fixed in 2.12.6 Advisory →
  • Fix · GHSA-3x8x-79m2-3w2w com.fasterxml.jackson.core:jackson-databind (Maven) Fixed in 2.13.1 Advisory →

Red Hat 18 advisories

  • RHSA-2023:5147 Released 2023-09-13 · Red Hat rating Important
    Red Hat Integration Camel for Spring Boot 3.18.3.2 release and security update
    • RHINT Camel-Springboot 3.18.3.2
  • RHSA-2023:4924 Released 2023-08-31 · Red Hat rating Important
    Red Hat Single Sign-On 7.6.5 security update
    • Red Hat Single Sign-On 7.6.5
  • RHSA-2023:4918 Released 2023-08-31 · Red Hat rating Important
    Red Hat Single Sign-On 7.6.5 security update on RHEL 7
    • Red Hat Single Sign-On 7.6 for RHEL 7 Server rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el7sso, rh-sso7-keycloak-server-18.0.9-1.redhat_00001.1.el7sso
Show 15 more Red Hat advisories
  • RHSA-2023:4920 Released 2023-08-31 · Red Hat rating Important
    Red Hat Single Sign-On 7.6.5 security update on RHEL 9
    • Red Hat Single Sign-On 7.6 for RHEL 9 rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el9sso, rh-sso7-keycloak-server-18.0.9-1.redhat_00001.1.el9sso
  • RHSA-2023:4919 Released 2023-08-31 · Red Hat rating Important
    Red Hat Single Sign-On 7.6.5 security update on RHEL 8
    • Red Hat Single Sign-On 7.6 for RHEL 8 rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el8sso, rh-sso7-keycloak-server-18.0.9-1.redhat_00001.1.el8sso
  • RHSA-2023:4921 Released 2023-08-31 · Red Hat rating Important
    Red Hat Single Sign-On 7.6.5 for OpenShift image enhancement and security update
    • Middleware Containers for OpenShift rh-sso-7/sso76-openshift-rhel8
  • RHSA-2023:4612 Released 2023-08-16 · Red Hat rating Important
    Red Hat support for Spring Boot 2.7.13 security update
    • Red Hat support for Spring Boot 2.7.13
  • RHSA-2023:4627 Released 2023-08-14 · Red Hat rating Important
    Migration Toolkit for Applications security and bug fix update
    • MTA 6.2 for RHEL 8 mta/mta-hub-rhel9, mta/mta-operator-bundle, mta/mta-ui-rhel9 +1
  • RHSA-2023:4507 Released 2023-08-07 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform security update
    • Red Hat JBoss EAP 7.4 for RHEL 9 eap7-jettison-1.5.4-1.redhat_00002.1.el9eap, eap7-undertow-2.2.25-3.SP3_redhat_00001.1.el9eap, eap7-wildfly-7.4.12-3.GA_redhat_00003.1.el9eap +5
  • RHSA-2023:4506 Released 2023-08-07 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform security update
    • Red Hat JBoss EAP 7.4 for RHEL 8 eap7-jettison-1.5.4-1.redhat_00002.1.el8eap, eap7-undertow-2.2.25-3.SP3_redhat_00001.1.el8eap, eap7-wildfly-7.4.12-3.GA_redhat_00003.1.el8eap +5
  • RHSA-2023:4505 Released 2023-08-07 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform security update
    • Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-jettison-1.5.4-1.redhat_00002.1.el7eap, eap7-undertow-2.2.25-3.SP3_redhat_00001.1.el7eap, eap7-wildfly-7.4.12-3.GA_redhat_00003.1.el7eap +4
  • RHSA-2023:4509 Released 2023-08-07 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.4.12 security update
    • Red Hat JBoss Enterprise Application Platform com.fasterxml.jackson.core.jackson-databind-2.12.7.redhat-00003.jar, io.undertow.undertow-core-2.2.25.SP3-redhat-00001.jar, org.codehaus.jettison.jettison-1.5.4.redhat-00002.jar
  • RHSA-2023:3815 Released 2023-06-27 · Red Hat rating Important
    Service Registry (container images) release and security update [2.4.3 GA]
    • RHINT Service Registry 2.4.3 GA
  • RHSA-2023:3610 Released 2023-06-15 · Red Hat rating Important
    jenkins and jenkins-2-plugins security update
    • OpenShift Developer Tools and Services for OCP 4.12 jenkins-2-plugins-4.12.1686649756-1.el8, jenkins-2.401.1.1686649641-3.el8
  • RHSA-2023:3373 Released 2023-05-31 · Red Hat rating Moderate
    Migration Toolkit for Runtimes security update
    • Migration Toolkit for Runtimes 1 on RHEL 8 mtr/mtr-web-container-rhel8
  • RHSA-2023:3299 Released 2023-05-24 · Red Hat rating Important
    jenkins and jenkins-2-plugins security update
    • OpenShift Developer Tools and Services for OCP 4.13 jenkins-2-plugins-4.13.1684911916-1.el8, jenkins-2.387.3.1684911776-3.el8
  • RHSA-2023:3223 Released 2023-05-18 · Red Hat rating Important
    Red Hat AMQ Streams 2.4.0 release and security update
    • Red Hat AMQ Streams 2.4.0
  • RHSA-2023:2097 Released 2023-05-03 · Red Hat rating Important
    Satellite 6.13 Release
    • Red Hat Satellite 6.13 for RHEL 8 ansible-collection-redhat-satellite-3.9.0-2.el8sat, ansible-collection-redhat-satellite_operations-1.3.0-2.el8sat, ansible-lint-5.0.8-4.el8pc +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Cryostat 2AffectedNo fix planned: Will not fix
Red Hat Decision Manager 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Red Hat Fuse 7AffectedNo fix planned: Out of support scope
Red Hat Integration Camel K 1AffectedNo fix yet
Red Hat Integration Camel Quarkus 2AffectedNo fix planned: Will not fix
Red Hat JBoss Data Grid 7AffectedNo fix planned: Out of support scope
Red Hat JBoss Data Virtualization 6AffectedNo fix planned: Out of support scope
Red Hat JBoss Enterprise Application Platform 6AffectedNo fix planned: Out of support scope
Red Hat JBoss Fuse 6AffectedNo fix planned: Out of support scope
Red Hat JBoss Fuse Service Works 6AffectedNo fix planned: Out of support scope
Red Hat OpenShift Application RuntimesAffectedNo fix planned: Will not fix
Red Hat OpenShift Container Platform 3.11AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 4AffectedNo fix yet
Red Hat OpenShift Dev SpacesAffectedNo fix yet
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Out of support scope
Red Hat Process Automation 7AffectedNo fix planned: Out of support scope
streams for Apache KafkaAffectedNo fix planned: Will not fix
MTA 6.2 for RHEL 8Fixed RHSA-2023:4627
Middleware Containers for OpenShiftFixed RHSA-2023:4921
Migration Toolkit for Runtimes 1 on RHEL 8Fixed RHSA-2023:3373
OpenShift Developer Tools and Services for OCP 4.12Fixed RHSA-2023:3610
OpenShift Developer Tools and Services for OCP 4.13Fixed RHSA-2023:3299
RHINT Camel-Springboot 3.18.3.2Fixed RHSA-2023:5147
RHINT Service Registry 2.4.3 GAFixed RHSA-2023:3815
Red Hat AMQ Streams 2.4.0Fixed RHSA-2023:3223
Red Hat JBoss EAP 7.4 for RHEL 7 ServerFixed RHSA-2023:4505
Red Hat JBoss EAP 7.4 for RHEL 8Fixed RHSA-2023:4506
Red Hat JBoss EAP 7.4 for RHEL 9Fixed RHSA-2023:4507
Red Hat JBoss Enterprise Application Platform Fixed RHSA-2023:4509
Red Hat Satellite 6.13 for RHEL 8Fixed RHSA-2023:2097
Red Hat Single Sign-On 7.6 for RHEL 7 ServerFixed RHSA-2023:4918
Red Hat Single Sign-On 7.6 for RHEL 8Fixed RHSA-2023:4919
Red Hat Single Sign-On 7.6 for RHEL 9Fixed RHSA-2023:4920
Red Hat Single Sign-On 7.6.5Fixed RHSA-2023:4924
Red Hat support for Spring Boot 2.7.13Fixed RHSA-2023:4612
Not affected: 21 products
  • A-MQ Clients 2
  • Logging Subsystem for Red Hat OpenShift
  • MTA 6.2 for RHEL 8
  • Migration Toolkit for Runtimes 1 on RHEL 8
  • OpenShift Developer Tools and Services
  • OpenShift Developer Tools and Services for OCP 4.12
  • OpenShift Developer Tools and Services for OCP 4.13
  • Red Hat A-MQ Online
  • Red Hat AMQ Broker 7
  • Red Hat Data Grid 8
  • Red Hat Enterprise Linux 9
  • Red Hat JBoss EAP 7.4 for RHEL 7 Server
  • Red Hat JBoss EAP 7.4 for RHEL 8
  • Red Hat JBoss EAP 7.4 for RHEL 9
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat JBoss Enterprise Application Platform 8
  • Red Hat JBoss Enterprise Application Platform Expansion Pack
  • Red Hat OpenShift Dev Spaces
  • Red Hat Software Collections
  • Red Hat build of Debezium 1
  • Red Hat build of Quarkus

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46877
  2. 2026-10-03 Alias added: GHSA-3x8x-79m2-3w2w

References

Exploit 1

Advisory 1

Other 5

  • TI-2017-12774 FasterXML jackson-databind through 2.8.10 and 2.9.x through 2.9.3 allows unauthenticated… CVSS 3.1CRITICAL 9.8
  • TI-2017-05167 Deserialization of untrusted data in FasterXML jackson-databind CVSS 3.1CRITICAL 9.8
  • TI-2020-07095 FasterXML jackson-databind 2.0.0 through 2.9.10.2 lacks certain xbean-reflect/JNDI… CVSS 3.1CRITICAL 9.8
  • TI-2026-39358 jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation CVSS 3.1HIGH 8.1
  • TI-2020-08560 A deserialization flaw was discovered in jackson-databind through 2.9.10.4. CVSS 3.1HIGH 8.1
  • TI-2020-07635 FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between… CVSS 3.1CRITICAL 9.8
See all 77 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences