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Published: 02 January 2019

FasterXML jackson-databind 2.x before 2.9.7 might allow attackers to conduct external XML entity (XXE) attacks by leveraging failure to block unspecified JDK classes from polymorphic deserialization.

From the Ubuntu security team

It was discovered that Jackson Databind incorrectly handled deserialization. An attacker could possibly use this issue to execute XML entity (XXE) attacks.



CVSS 3 base score: 9.8


Package Release Status
Launchpad, Ubuntu, Debian
Released (2.9.7)
Ubuntu 21.10 (Impish Indri) Not vulnerable
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needed)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needed)