OSV-2023-650 Heap-use-after-free in yr_parser_lookup_loop_variable

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61164 Crash type: Heap-use-after-free READ 1 Crash state: yrparserlookuploopvariable yarayyparse yrlexparserulesfile...