JDK-8075927 : toNumber(String) accepts illegal characters
- Type: Bug
- Component: core-libs
- Sub-Component: jdk.nashorn
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2015-03-25
- Updated: 2015-09-29
- Resolved: 2015-03-25
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| JDK 8 | JDK 9 |
|---|---|
8u60Fixed  |
9 b57Fixed |
Description
We use java.lang.Double.parseDouble(String) in JSType.toNumber(String). However, that method allows some characters such as trailing 'f' or 'd' that are not allowed by ECMA spec (9.3.1): "0.5d" "1f" We need to improve our checks. This may also help improve performance as more input strigns are converted to NaN without a NumberFormatException being thrown.