OSV-2020-614 Use-of-uninitialized-value in __RefHead_ZIP_INSERT

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15133 Crash type: Use-of-uninitialized-value Crash state: RefHeadZIPINSERT RefHeadZIPINSERT RefTreeadd...

OSV-2020-308 Heap-buffer-overflow in UA_copy

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15152 Crash type: Heap-buffer-overflow WRITE Crash state: UAcopy RefTreeadd OperationBrowse...