OSV-2023-160 Global-buffer-overflow in OT::gvar::accelerator_t::apply_deltas_to_points

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56800 Crash type: Global-buffer-overflow READ 2 Crash state: OT::gvar::acceleratort::applydeltastopoints bool OT::glyfimpl::Glyph::getpoints bool OT::glyfimpl::Glyph::getpoints...