Several vulnerabilities were fixed in libjackson-json-java.

• CVE-2017-7525

  Jackson Deserializer security vulnerability.

• CVE-2017-15095

  Block more JDK types from polymorphic deserialization.

• CVE-2019-10172

  XML external entity vulnerabilities.

For Debian 8 Jessie, these problems have been fixed in version 1.9.2-3+deb8u1.

We recommend that you upgrade your libjackson-json-java packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS