OSV-2020-688 Heap-use-after-free in icalparameter_new_from_value_string

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14737 Crash type: Heap-use-after-free READ 2 Crash state: icalparameternewfromvaluestring icalparseraddline icalparserparse...