libgd/gif_target: Index-out-of-bounds in LWZReadByte_

Project: https://github.com/libgd/libgd.git Detailed report: https://oss-fuzz.com/testcase?key=5631166745935872 Project: libgd Fuzzer: libFuzzerlibgdgiftarget Fuzz target binary: giftarget Job Type: libfuzzerubsanlibgd Platform Id: linux Crash Type: Index-out-of-bounds Crash Address: Crash State:...