OSV-2023-538 Heap-buffer-overflow in Gfx::BooleanDecoder::initialize

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60262 Crash type: Heap-buffer-overflow READ 7 Crash state: Gfx::BooleanDecoder::initialize Video::VP9::FrameContext::createrangedecoder Video::VP9::Parser::compressedheader...