An issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with a gadget class from iBatis allows exfiltration of content. Fixed in 2.7.9.4, 2.8.11.2, and 2.9.6.
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://nvd.nist.gov/vuln/detail/CVE-2017-7525
https://github.com/FasterXML/jackson-databind/issues/2032
https://access.redhat.com/errata/RHSA-2019:4037
https://access.redhat.com/errata/RHSA-2019:3892
https://access.redhat.com/errata/RHSA-2019:3149
https://access.redhat.com/errata/RHSA-2019:3140
https://access.redhat.com/errata/RHSA-2019:3002
https://access.redhat.com/errata/RHSA-2019:2858
https://access.redhat.com/errata/RHSA-2019:2804
https://access.redhat.com/errata/RHSA-2019:1823