OSV-2020-1553 UNKNOWN READ in hb_realloc_impl

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24497 Crash type: UNKNOWN READ Crash state: hbreallocimpl hbvectort::alloc hbvectort::resize...

OSV-2020-1550 UNKNOWN WRITE in hb_vector_t<CFF::dict_val_t>::resize

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24489 Crash type: UNKNOWN WRITE Crash state: hbvectort::resize hbvectort::push CFF::dictvalt hbvectort::push...