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<title>[52252] trunk/src/wp-includes/PHPMailer: External Libraries: Upgrade PHPMailer to version 6.5.3.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/52252">52252</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/52252","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-11-26 00:41:54 +0000 (Fri, 26 Nov 2021)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>External Libraries: Upgrade PHPMailer to version 6.5.3.
The latest release includes official PHP 8.1 support, as well as some small bug fixes, including one for PHP 5.6 cross-version support.
Release notes:
* https://github.com/PHPMailer/PHPMailer/releases/tag/v6.5.2
* https://github.com/PHPMailer/PHPMailer/releases/tag/v6.5.3
For a full list of changes in this update, see the PHPMailer GitHub:
https://github.com/PHPMailer/PHPMailer/compare/v6.5.1...v6.5.3
Follow-up to <a href="https://core.trac.wordpress.org/changeset/50628">[50628]</a>, <a href="https://core.trac.wordpress.org/changeset/50799">[50799]</a>, <a href="https://core.trac.wordpress.org/changeset/51169">[51169]</a>, <a href="https://core.trac.wordpress.org/changeset/51634">[51634]</a>, <a href="https://core.trac.wordpress.org/changeset/51635">[51635]</a>.
Props jrf, Synchro.
Fixes <a href="https://core.trac.wordpress.org/ticket/54514">#54514</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesPHPMailerPHPMailerphp">trunk/src/wp-includes/PHPMailer/PHPMailer.php</a></li>
<li><a href="#trunksrcwpincludesPHPMailerSMTPphp">trunk/src/wp-includes/PHPMailer/SMTP.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesPHPMailerPHPMailerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/PHPMailer/PHPMailer.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/PHPMailer/PHPMailer.php 2021-11-26 00:26:17 UTC (rev 52251)
+++ trunk/src/wp-includes/PHPMailer/PHPMailer.php 2021-11-26 00:41:54 UTC (rev 52252)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -750,7 +750,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @var string
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- const VERSION = '6.5.1';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ const VERSION = '6.5.3';
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Error severity: message only, continue processing.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1451,7 +1451,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $errorcode = 0;
</span><span class="cx" style="display: block; padding: 0 10px"> if (defined('INTL_IDNA_VARIANT_UTS46')) {
</span><span class="cx" style="display: block; padding: 0 10px"> //Use the current punycode standard (appeared in PHP 7.2)
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $punycode = idn_to_ascii($domain, $errorcode, \INTL_IDNA_VARIANT_UTS46);
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $punycode = idn_to_ascii(
+ $domain,
+ \IDNA_DEFAULT | \IDNA_USE_STD3_RULES | \IDNA_CHECK_BIDI |
+ \IDNA_CHECK_CONTEXTJ | \IDNA_NONTRANSITIONAL_TO_ASCII,
+ \INTL_IDNA_VARIANT_UTS46
+ );
</ins><span class="cx" style="display: block; padding: 0 10px"> } elseif (defined('INTL_IDNA_VARIANT_2003')) {
</span><span class="cx" style="display: block; padding: 0 10px"> //Fall back to this old, deprecated/removed encoding
</span><span class="cx" style="display: block; padding: 0 10px"> // phpcs:ignore PHPCompatibility.Constants.RemovedConstants.intl_idna_variant_2003Deprecated
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1699,7 +1704,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> //Sendmail docs: http://www.sendmail.org/~ca/email/man/sendmail.html
</span><span class="cx" style="display: block; padding: 0 10px"> //Qmail docs: http://www.qmail.org/man/man8/qmail-inject.html
</span><span class="cx" style="display: block; padding: 0 10px"> //Example problem: https://www.drupal.org/node/1057954
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if (empty($this->Sender) && !empty(ini_get('sendmail_from'))) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ //PHP 5.6 workaround
+ $sendmail_from_value = ini_get('sendmail_from');
+ if (empty($this->Sender) && !empty($sendmail_from_value)) {
</ins><span class="cx" style="display: block; padding: 0 10px"> //PHP config has a sender address we can use
</span><span class="cx" style="display: block; padding: 0 10px"> $this->Sender = ini_get('sendmail_from');
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1881,7 +1889,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> //Qmail docs: http://www.qmail.org/man/man8/qmail-inject.html
</span><span class="cx" style="display: block; padding: 0 10px"> //Example problem: https://www.drupal.org/node/1057954
</span><span class="cx" style="display: block; padding: 0 10px"> //CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if (empty($this->Sender) && !empty(ini_get('sendmail_from'))) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ //PHP 5.6 workaround
+ $sendmail_from_value = ini_get('sendmail_from');
+ if (empty($this->Sender) && !empty($sendmail_from_value)) {
</ins><span class="cx" style="display: block; padding: 0 10px"> //PHP config has a sender address we can use
</span><span class="cx" style="display: block; padding: 0 10px"> $this->Sender = ini_get('sendmail_from');
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2198,7 +2209,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
</span><span class="cx" style="display: block; padding: 0 10px"> * Optionally, the language code can be enhanced with a 4-character
</span><span class="cx" style="display: block; padding: 0 10px"> * script annotation and/or a 2-character country annotation.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param string $lang_path Path to the language file directory, with trailing separator (slash).D
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param string $lang_path Path to the language file directory, with trailing separator (slash)
</ins><span class="cx" style="display: block; padding: 0 10px"> * Do not set this from user input!
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @return bool Returns true if the requested language was loaded, false otherwise.
</span></span></pre></div>
<a id="trunksrcwpincludesPHPMailerSMTPphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/PHPMailer/SMTP.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/PHPMailer/SMTP.php 2021-11-26 00:26:17 UTC (rev 52251)
+++ trunk/src/wp-includes/PHPMailer/SMTP.php 2021-11-26 00:41:54 UTC (rev 52252)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -35,7 +35,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @var string
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- const VERSION = '6.5.1';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ const VERSION = '6.5.3';
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * SMTP line break constant.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -392,7 +392,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> STREAM_CLIENT_CONNECT,
</span><span class="cx" style="display: block; padding: 0 10px"> $socket_context
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- restore_error_handler();
</del><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> //Fall back to fsockopen which should work in more places, but is missing some features
</span><span class="cx" style="display: block; padding: 0 10px"> $this->edebug(
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -407,8 +406,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $errstr,
</span><span class="cx" style="display: block; padding: 0 10px"> $timeout
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- restore_error_handler();
</del><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ restore_error_handler();
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> //Verify we connected properly
</span><span class="cx" style="display: block; padding: 0 10px"> if (!is_resource($connection)) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -696,7 +695,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Send an SMTP DATA command.
</span><span class="cx" style="display: block; padding: 0 10px"> * Issues a data command and sends the msg_data to the server,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * finializing the mail transaction. $msg_data is the message
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * finalizing the mail transaction. $msg_data is the message
</ins><span class="cx" style="display: block; padding: 0 10px"> * that is to be send with the headers. Each header needs to be
</span><span class="cx" style="display: block; padding: 0 10px"> * on a single line followed by a <CRLF> with the message headers
</span><span class="cx" style="display: block; padding: 0 10px"> * and the message body being separated by an additional <CRLF>.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1170,7 +1169,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> if (!$this->server_caps) {
</span><span class="cx" style="display: block; padding: 0 10px"> $this->setError('No HELO/EHLO was sent');
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- return;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ return null;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if (!array_key_exists($name, $this->server_caps)) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1182,7 +1181,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> $this->setError('HELO handshake was used; No information about server extensions available');
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- return;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ return null;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> return $this->server_caps[$name];
</span></span></pre>
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