OSV-2023-930 Heap-buffer-overflow in OT::cvar::decompile_tuple_variations

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62774 Crash type: Heap-buffer-overflow READ 2 Crash state: OT::cvar::decompiletuplevariations OT::cvar::subset bool trysubset...