OSV-2020-484 Heap-buffer-overflow in AAT::KerxSubTableFormat4<AAT::KerxSubTableHeader>::driver_context_t::transition

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12532 Crash type: Heap-buffer-overflow READ 4 Crash state: AAT::KerxSubTableFormat4::drivercontextt::transition void AAT::StateTableDriver::apply...

harfbuzz/hb-shape-fuzzer: Heap-buffer-overflow in AAT::KerxSubTableFormat4<AAT::KerxSubTableHeader>::driver_context_t::transition

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5667182741028864 Project: harfbuzz Fuzzer: libFuzzerharfbuzzhb-shape-fuzzer Fuzz target binary: hb-shape-fuzzer Job Type: libfuzzerasanharfbuzz Platform Id: linux Crash Type: Heap-buffer-overflow...