OSV-2023-716 Security exception in org.springframework.expression.spel.ast.OpPlus.getValueInternal

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61603 Crash type: Security exception Crash state: org.springframework.expression.spel.ast.OpPlus.getValueInternal org.springframework.core.convert.support.GenericConversionService$ConverterCache...