Stefan Bodewig created IO-559:
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Summary: FilenameUtils.normalize should verify hostname syntax in
UNC path
Key: IO-559
URL: https://issues.apache.org/jira/browse/IO-559
Project: Commons IO
Issue Type: Bug
Components: Utilities
Affects Versions: 2.6
Reporter: Stefan Bodewig
{{FilenameUtils.normalize}} will accept broken file names as UNC path even if
their hostname part doesn't match the syntax of a proper hostname. Using
certain hostnames like "." this may lead to strange side effects.
Most likely the best fix will be to make {{getPrefixLength}} verify the
hostname part of a suspected UNC path and return a value of {{NOT_FOUND}} if it
is not a valid hostname - much like it does for triple slashes.
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