crash in (Issue #26160)

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Mark Roszko

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Feb 4, 2026, 10:35:31 PM (15 hours ago) Feb 4

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marekr created an issue (wxWidgets/wxWidgets#26160)

In KiCad, we started experiencing a crash inside wxCocoaDataViewControl::keyEvent when a user has a french layout keyboard on macOS and they enter the ` backtick character (which when virtually remapping, is the pipe key on english keyboards).

A crash on a data view we have immediately exceptions here:

void wxCocoaDataViewControl::keyEvent(WX_NSEvent event, WXWidget slf, void *_cmd)
{
    if( [event type] == NSKeyDown && [[event charactersIgnoringModifiers]
         characterAtIndex: 0] == NSCarriageReturnCharacter )
    {

as the charactersIgnoringModifiers is blank but characterAtIndex 0 is being called without a string length check

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Stefan Csomor

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3:34 AM (10 hours ago) 3:34 AM

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csomor left a comment (wxWidgets/wxWidgets#26160)

@marekr thanks for the report, all other accesses in the code seem to be protected correctly, could you please retest ?