[JIRA] (HV-1952) AbstractEmailValidator allows umlauts within local part of an email address
by Kai Uwe Bachmann (JIRA)
Kai Uwe Bachmann ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5f98104... ) *created* an issue
Hibernate Validator ( https://hibernate.atlassian.net/browse/HV?atlOrigin=eyJpIjoiOWM1NGVlOTllZ... ) / Bug ( https://hibernate.atlassian.net/browse/HV-1952?atlOrigin=eyJpIjoiOWM1NGVl... ) HV-1952 ( https://hibernate.atlassian.net/browse/HV-1952?atlOrigin=eyJpIjoiOWM1NGVl... ) AbstractEmailValidator allows umlauts within local part of an email address ( https://hibernate.atlassian.net/browse/HV-1952?atlOrigin=eyJpIjoiOWM1NGVl... )
Issue Type: Bug Affects Versions: 7.0.5.Final, 8.0.0.Final Assignee: Unassigned Components: validators Created: 01/Jun/2023 00:27 AM Priority: Major Reporter: Kai Uwe Bachmann ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5f98104... )
The Email validator allows umlauts within the local part. As of RFC-2822 the local part consists of dot-atom which starts with atext. In atext there are no umlauts allowed, only ALPHA, DIGIT and some special characters.
ALPHA is defined in RFC-2230 as
ALPHA = %x41-5A / %x61-7A
so an email address ürsula(a)test.xy will be validated as valid but it shouldn’t
( https://hibernate.atlassian.net/browse/HV-1952#add-comment?atlOrigin=eyJp... ) Add Comment ( https://hibernate.atlassian.net/browse/HV-1952#add-comment?atlOrigin=eyJp... )
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