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https://issues.apache.org/jira/browse/DERBY-7147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17639539#comment-17639539
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Bryan Pendleton commented on DERBY-7147:
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Anyway, if it wasn't clear from the above, +1 from me to move ahead with your 
second 'ab' patch, it is working fine for my very limited testing.

> LDAP injection vulnerability in LDAPAuthenticationImpl
> ------------------------------------------------------
>
>                 Key: DERBY-7147
>                 URL: https://issues.apache.org/jira/browse/DERBY-7147
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.16.1.1
>            Reporter: Richard N. Hillegas
>            Assignee: Richard N. Hillegas
>            Priority: Major
>         Attachments: derby-7147-01-aa-reformatForReadability.diff, 
> derby-7147-02-aa-escapeLDAPsearchFilter.diff, 
> derby-7147-02-ab-escapeLDAPsearchFilter.diff
>
>
> An LDAP injection vulnerability has been identified in 
> LDAPAuthenticationSchemeImpl.getDNFromUID(). An exploit has not been 
> provided, but there is a possibility that an intruder could bypass 
> authentication checks in Derby-powered applications which rely on external 
> LDAP servers.
> For more information on LDAP injection, see 
> https://www.synopsys.com/glossary/what-is-ldap-injection.html



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