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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Webkit sends malformed SNI host names"
href="https://bugs.webkit.org/show_bug.cgi?id=155378#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Webkit sends malformed SNI host names"
href="https://bugs.webkit.org/show_bug.cgi?id=155378">bug 155378</a>
from <span class="vcard"><a class="email" href="mailto:bugs.webkit.org.+@y.st" title="Yst Dawson <bugs.webkit.org.+@y.st>"> <span class="fn">Yst Dawson</span></a>
</span></b>
<pre>Additionally, this bug is actually present in many Web browsers. I've already reported it in Firefox <<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1255854">https://bugzilla.mozilla.org/show_bug.cgi?id=1255854</a>> and Chromium <<a href="https://bugs.chromium.org/p/chromium/issues/detail?id=593952">https://bugs.chromium.org/p/chromium/issues/detail?id=593952</a>>, though it turns out that the Chromium developers knew about the problem before I reported it <<a href="https://bugs.chromium.org/p/chromium/issues/detail?id=496472">https://bugs.chromium.org/p/chromium/issues/detail?id=496472</a>>. I'm unable to test in Safari, but it wouldn't surprise me if the bug was present in Safari as well.
The Qt developers acknowledged the bug in their networking library <<a href="https://bugreports.qt.io/browse/QTBUG-51821">https://bugreports.qt.io/browse/QTBUG-51821</a>>, and they sup it up pretty nicely <<a href="https://codereview.qt-project.org/#/c/152150/">https://codereview.qt-project.org/#/c/152150/</a>>:
Do not send the trailing dot of a hostname as part of the SNI
The SNI extension must not include the trailing dot, even though this
is legitimate for the host header.</pre>
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