FasterXML jackson-databind through 2.8.11 and 2.9.x through 2.9.3 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 and CVE-2017-17485 deserialization flaws. This is exploitable via two different gadgets that bypass a blacklist.
access.redhat.com/errata/RHSA-2018:0478
access.redhat.com/errata/RHSA-2018:0479
access.redhat.com/errata/RHSA-2018:0480
access.redhat.com/errata/RHSA-2018:0481
access.redhat.com/errata/RHSA-2018:1525
access.redhat.com/errata/RHSA-2019:2858
access.redhat.com/errata/RHSA-2019:3149
github.com/FasterXML/jackson-databind/issues/1899
security.netapp.com/advisory/ntap-20180423-0002/
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us
www.debian.org/security/2018/dsa-4114
www.oracle.com/security-alerts/cpuoct2020.html