<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<meta content="text/html; charset=US-ASCII" http-equiv="Content-Type">
<title>
GitLab
</title>
<style data-premailer="ignore" type="text/css">
a { color: #1068bf; }
</style>
<style>img {
max-width: 100%; height: auto;
}
body {
font-size: 0.875rem;
}
body {
-webkit-text-shadow: rgba(255,255,255,0.01) 0 0 1px;
}
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Ubuntu, Cantarell, "Helvetica Neue", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; font-size: inherit;
}
</style>
</head>
<body style='font-size: inherit; -webkit-text-shadow: rgba(255,255,255,0.01) 0 0 1px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Ubuntu, Cantarell, "Helvetica Neue", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";'>
<div class="content">
<p class="details" style="font-style: italic; color: #666;">
<a href="https://gitlab.com/asosedkin">Alexander Sosedkin</a> created an issue: <a href="https://gitlab.com/gnutls/gnutls/-/issues/1416">#1416</a>
</p>
<div class="md" style="color: #303030; word-wrap: break-word;">
<p dir="auto" style="color: #303030; margin: 0 0 16px;" align="initial">Advertizing a certificate compression not known to gnutls in CompressCertificateExtension leads to <code style='font-size: 90%; color: #1f1f1f; word-wrap: break-word; background-color: #f0f0f0; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>illegal_parameter</code> instead of ignoring the extension and proceeding with no compression.</p>
<p dir="auto" style="color: #303030; margin: 0 0 16px;" align="initial">Code pointer: <a href="https://gitlab.com/gnutls/gnutls/-/blob/b69cbc76e46bbface6f92a0485a6c7ae646c6d6b/lib/ext/compress_certificate.c#L197" style="margin-top: 0;">https://gitlab.com/gnutls/gnutls/-/blob/b69cbc76e46bbface6f92a0485a6c7ae646c6d6b/lib/ext/compress_certificate.c#L197</a></p>
<p dir="auto" style="color: #303030; margin: 0 0 16px;" align="initial">(Found using tlsfuzzer, though the <a href="https://github.com/tlsfuzzer/tlsfuzzer/pull/802" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">corresponding</a> <a href="https://github.com/tlsfuzzer/tlslite-ng/pull/484" rel="nofollow noreferrer noopener" target="_blank">code</a> isn't mainlined yet.)</p>
<p dir="auto" style="color: #303030; margin: 0;" align="initial">CC <a href="https://gitlab.com/ZoltanFridrich" data-reference-type="user" data-user="8380993" data-container="body" data-placement="top" class="gfm gfm-project_member js-user-link" title="Zoltán Fridrich" style="background-color: #cbe2f9; border-radius: 4px; color: #0b5cad; margin-top: 0; padding: 0 2px;">@ZoltanFridrich</a>.</p>
</div>
</div>
<div class="footer" style="margin-top: 10px;">
<p style="font-size: small; color: #666;">
—
<br>
Reply to this email directly or <a href="https://gitlab.com/gnutls/gnutls/-/issues/1416">view it on GitLab</a>.
<br>
You're receiving this email because of your account on <a target="_blank" rel="noopener noreferrer" href="https://gitlab.com">gitlab.com</a>. <a href="https://gitlab.com/-/sent_notifications/de774fe13cefb7c97f1a4283cb3caad6/unsubscribe" target="_blank" rel="noopener noreferrer">Unsubscribe</a> from this thread · <a href="https://gitlab.com/-/profile/notifications" target="_blank" rel="noopener noreferrer" class="mng-notif-link">Manage all notifications</a> · <a href="https://gitlab.com/help" target="_blank" rel="noopener noreferrer" class="help-link">Help</a>
<script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","action":{"@type":"ViewAction","name":"View Issue","url":"https://gitlab.com/gnutls/gnutls/-/issues/1416"}}</script>
</p>
</div>
</body>
</html>