Fasterxml Jackson version Before 2.9.8 contains a CWE-20: Improper Input Validation vulnerability in Jackson-Modules-Java8 that can result in Causes a denial-of-service (DoS). This attack appear to be exploitable via The victim deserializes malicious input, specifically very large values in the nanoseconds field of a time value. This vulnerability appears to have been fixed in 2.9.8.
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://security.netapp.com/advisory/ntap-20200904-0004/
https://github.com/FasterXML/jackson-modules-java8/pull/87
https://github.com/FasterXML/jackson-modules-java8/issues/90