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Fencer Intel
critical 9.8

CVE-2019-16942 in the critical feed json

Polymorphic Typing in FasterXML jackson-databind

published 7y ago modified last mo. also GHSA-mx7p-6679-8g3q , EUVD-2019-0709

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.7%
EPSS 5.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the commons-dbcp (1.4) jar in the classpath, and an attacker can find an RMI service endpoint to access, it is possible to make the service execute a malicious payload. This issue exists because of org.apache.commons.dbcp.datasources.SharedPoolDataSource and org.apache.commons.dbcp.datasources.PerUserPoolDataSource mishandling.

Patch / fix

  • maven com.fasterxml.jackson.core:jackson-databind 2.6.7.3, 2.8.11.5, 2.9.10.1
  • fasterxml jackson-databind 2.6.7.3, 2.8.11.5, 2.9.10.1
  • jackson-databind Debian 14, Debian 13, Debian 12 2.10.0-2

debian advisories DEBIAN-CVE-2019-16942

  • jackson-databind Ubuntu Pro 16.04 LTS 2.4.2-3ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2019-16942

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • eap7-netty jboss enterprise application platform 7.2 4.1.42-1.Final_redhat_00001.1.el8eap
  • eap7-jberet jboss enterprise application platform 7.2 1.3.5-1.Final_redhat_00001.1.el8eap
  • eap7-wildfly jboss enterprise application platform 7.2 7.2.6-5.GA_redhat_00001.1.el8eap
  • eap7-undertow jboss enterprise application platform 7.2 2.0.28-2.SP1_redhat_00001.1.el8eap
  • eap7-weld-ejb jboss enterprise application platform 7.2 3.0.6-3.Final_redhat_00003.1.el8eap
  • eap7-weld-jta jboss enterprise application platform 7.2 3.0.6-3.Final_redhat_00003.1.el8eap
  • eap7-weld-web jboss enterprise application platform 7.2 3.0.6-3.Final_redhat_00003.1.el8eap
  • eap7-hibernate jboss enterprise application platform 7.2 5.3.14-1.Final_redhat_00001.1.el8eap

red hat advisories RHSA-2020:0161RHSA-2020:0160RHSA-2020:0159RHSA-2020:1644

  • xsom AlmaLinux 8 0-19.20110809svn.module_el8.5.0+2577+9e95fe00
  • slf4j AlmaLinux 8 1.7.25-4.module_el8.5.0+2577+9e95fe00
  • stax-ex AlmaLinux 8 1.7.7-8.module_el8.5.0+2577+9e95fe00
  • velocity AlmaLinux 8 1.7-24.module_el8.5.0+2577+9e95fe00
  • xalan-j2 AlmaLinux 8 2.7.1-38.module_el8.5.0+2577+9e95fe00
  • javassist AlmaLinux 8 3.18.1-8.module_el8.5.0+2577+9e95fe00
  • xerces-j2 AlmaLinux 8 2.11.0-34.module_el8.5.0+2577+9e95fe00
  • python3-nss AlmaLinux 8 1.0.1-10.module_el8.5.0+2577+9e95fe00.alma

almalinux advisories ALSA-2020:1644

  • xsom Rocky Linux 8 0-19.20110809svn.module+el8.3.0+53+ea062990
  • slf4j Rocky Linux 8 1.7.25-4.module+el8.5.0+697+f586bb30
  • slf4j Rocky Linux 8 1.7.25-4.module+el8.3.0+74+855e3f5d
  • slf4j Rocky Linux 8 1.7.25-4.module+el8.3.0+133+b8b54b58
  • stax-ex Rocky Linux 8 1.7.7-8.module+el8.3.0+53+ea062990
  • bea-stax Rocky Linux 8 1.2.0-16.module+el8.3.0+53+ea062990
  • resteasy Rocky Linux 8 3.0.26-3.module+el8.3.0+53+ea062990
  • velocity Rocky Linux 8 1.7-24.module+el8.3.0+53+ea062990

rocky linux advisories RLSA-2020:1644

Is CVE-2019-16942 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-16942 updated cvss 7.5

jackson-databind: Serialization gadgets in org.apache.commons.dbcp.datasources.*

  • Red Hat BPM Suite 6 jackson-databind Red Hat JBoss A-MQ 6 jackson-databind Red Hat JBoss Data Virtualization 6 jackson-databind Red Hat JBoss Fuse 6 jackson-databind Red Hat Mobile Application Platform 4 jackson-databind
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat OpenShift Application Runtimes jackson-databind
    affected: workaround, no fix available
  • Red Hat OpenShift Container Platform 3.9 elasticsearch-cloud-kubernetes, openshift-elasticsearch-plugin Red Hat OpenShift Container Platform 3.10 elasticsearch-cloud-kubernetes, openshift-elasticsearch-plugin Red Hat OpenShift Container Platform 3.11 openshift3/ose-logging-elasticsearch5 Red Hat OpenShift Container Platform 4 openshift4/ose-logging-elasticsearch5
    affected: workaround, no fix planned “Will not fix”
  • Red Hat OpenStack Platform 10 (Newton) opendaylight
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 13 (Queens) opendaylight Red Hat OpenStack Platform 14 (Rocky) opendaylight Red Hat Software Collections rh-maven35-jackson-databind, rh-maven35-jackson-databind-javadoc
    affected: workaround, no fix planned “Will not fix”
  • Red Hat EAP-CD 19 Tech Preview
    fixed: vendor fix RHSA-2020:2333
  • Red Hat AMQ Streams 1
    fixed: vendor fix RHSA-2020:0939
  • Red Hat Data Grid 7.3.6
    fixed: vendor fix RHSA-2020:2321
show 12 more
  • Red Hat Decision Manager 7
    fixed: vendor fix RHSA-2020:0899
  • Red Hat Enterprise Linux AppStream (v. 8) jss 4.6.2-4.module+el8.2.0+6123+b4678599, slf4j 1.7.25-4.module+el8.1.0+3366+6dfb954c, pki-ca 10.8.3-1.module+el8.2.0+5925+bad5981a, stax-ex 1.7.7-8.module+el8.1.0+3366+6dfb954c, velocity 1.7-24.module+el8.1.0+3366+6dfb954c, ldapjdk 4.21.0-2.module+el8.2.0+4573+c3c38c7b, +43 more
    fixed: vendor fix RHSA-2020:1644
  • Red Hat Fuse 7.7.0
    fixed: vendor fix RHSA-2020:3192
  • Red Hat JBoss EAP 7.2
    fixed: vendor fix RHSA-2020:0164
  • Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-wildfly 7.2.6-5.GA_redhat_00001.1.el6eap, eap7-apache-cxf 3.2.11-1.redhat_00001.1.el6eap, eap7-jberet 1.3.5-1.Final_redhat_00001.1.el6eap, eap7-netty 4.1.42-1.Final_redhat_00001.1.el6eap, eap7-jackson-core 2.9.10-1.redhat_00003.1.el6eap, eap7-undertow 2.0.28-2.SP1_redhat_00001.1.el6eap, +71 more
    fixed: vendor fix RHSA-2020:0159
  • Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-wildfly 7.2.6-5.GA_redhat_00001.1.el7eap, eap7-apache-cxf 3.2.11-1.redhat_00001.1.el7eap, eap7-jberet 1.3.5-1.Final_redhat_00001.1.el7eap, eap7-netty 4.1.42-1.Final_redhat_00001.1.el7eap, eap7-jackson-core 2.9.10-1.redhat_00003.1.el7eap, eap7-undertow 2.0.28-2.SP1_redhat_00001.1.el7eap, +73 more
    fixed: vendor fix RHSA-2020:0160
  • Red Hat JBoss EAP 7.2 for RHEL 8 eap7-wildfly 7.2.6-5.GA_redhat_00001.1.el8eap, eap7-apache-cxf 3.2.11-1.redhat_00001.1.el8eap, eap7-jberet 1.3.5-1.Final_redhat_00001.1.el8eap, eap7-netty 4.1.42-1.Final_redhat_00001.1.el8eap, eap7-jackson-core 2.9.10-1.redhat_00003.1.el8eap, eap7-undertow 2.0.28-2.SP1_redhat_00001.1.el8eap, +71 more
    fixed: vendor fix RHSA-2020:0161
  • Red Hat Openshift Application Runtimes Vert.x 3.8.3
    fixed: vendor fix RHSA-2019:3901
  • Red Hat Process Automation 7
    fixed: vendor fix RHSA-2020:0895
  • Red Hat Single Sign-On 7.3
    fixed: vendor fix RHSA-2020:0445
  • Red Hat Text-Only RHOAR
    fixed: vendor fix RHSA-2020:2067
  • Red Hat Satellite 6 candlepin, candlepin-selinux
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
last mo.

Exploit prediction

5.73% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven com.fasterxml.jackson.core:jackson-databind
>=2.9.0, <2.9.10.1
>=2.7.0, <2.8.11.5
>=2.0.0, <2.6.7.3
2.9.10.1
2.8.11.5
2.6.7.3

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.