diff --git a/composer.json b/composer.json
index a96395443..84975a4ca 100644
--- a/composer.json
+++ b/composer.json
@@ -52,12 +52,12 @@
 		"stecman/symfony-console-completion": "^0.13.0",
 		"symfony/console": "^6.4.17",
 		"symfony/event-dispatcher": "^6.4.13",
-		"symfony/http-foundation": "^6.4.16",
-		"symfony/mailer": "^6.4.13",
+		"symfony/http-foundation": "^6.4.18",
+		"symfony/mailer": "^6.4.18",
 		"symfony/polyfill-intl-grapheme": "^1.31.0",
 		"symfony/polyfill-intl-normalizer": "^1.31.0",
 		"symfony/process": "^6.4.15",
-		"symfony/routing": "^6.4.16",
+		"symfony/routing": "^6.4.18",
 		"symfony/translation": "^6.4.13",
 		"wapmorgan/mp3info": "^0.1.0",
 		"web-auth/webauthn-lib": "^4.9.1"
diff --git a/composer.lock b/composer.lock
index 1d2848932..fcf2aebb4 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "0d8da5dc1140ab43c5a4a7dc8eb7971b",
+    "content-hash": "fae6c5070ff2ba0a2dc92740e4175ceb",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -4693,16 +4693,16 @@
         },
         {
             "name": "symfony/http-foundation",
-            "version": "v6.4.16",
+            "version": "v6.4.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "431771b7a6f662f1575b3cfc8fd7617aa9864d57"
+                "reference": "d0492d6217e5ab48f51fca76f64cf8e78919d0db"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/431771b7a6f662f1575b3cfc8fd7617aa9864d57",
-                "reference": "431771b7a6f662f1575b3cfc8fd7617aa9864d57",
+                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/d0492d6217e5ab48f51fca76f64cf8e78919d0db",
+                "reference": "d0492d6217e5ab48f51fca76f64cf8e78919d0db",
                 "shasum": ""
             },
             "require": {
@@ -4750,7 +4750,7 @@
             "description": "Defines an object-oriented layer for the HTTP specification",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/http-foundation/tree/v6.4.16"
+                "source": "https://github.com/symfony/http-foundation/tree/v6.4.18"
             },
             "funding": [
                 {
@@ -4766,20 +4766,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-11-13T18:58:10+00:00"
+            "time": "2025-01-09T15:48:56+00:00"
         },
         {
             "name": "symfony/mailer",
-            "version": "v6.4.13",
+            "version": "v6.4.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mailer.git",
-                "reference": "c2f7e0d8d7ac8fe25faccf5d8cac462805db2663"
+                "reference": "e93a6ae2767d7f7578c2b7961d9d8e27580b2b11"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/mailer/zipball/c2f7e0d8d7ac8fe25faccf5d8cac462805db2663",
-                "reference": "c2f7e0d8d7ac8fe25faccf5d8cac462805db2663",
+                "url": "https://api.github.com/repos/symfony/mailer/zipball/e93a6ae2767d7f7578c2b7961d9d8e27580b2b11",
+                "reference": "e93a6ae2767d7f7578c2b7961d9d8e27580b2b11",
                 "shasum": ""
             },
             "require": {
@@ -4830,7 +4830,7 @@
             "description": "Helps sending emails",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/mailer/tree/v6.4.13"
+                "source": "https://github.com/symfony/mailer/tree/v6.4.18"
             },
             "funding": [
                 {
@@ -4846,20 +4846,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-25T14:18:03+00:00"
+            "time": "2025-01-24T15:27:15+00:00"
         },
         {
             "name": "symfony/mime",
-            "version": "v6.4.17",
+            "version": "v6.4.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mime.git",
-                "reference": "ea87c8850a54ff039d3e0ab4ae5586dd4e6c0232"
+                "reference": "917d77981eb1ea963608d5cda4d9c0cf72eaa68e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/mime/zipball/ea87c8850a54ff039d3e0ab4ae5586dd4e6c0232",
-                "reference": "ea87c8850a54ff039d3e0ab4ae5586dd4e6c0232",
+                "url": "https://api.github.com/repos/symfony/mime/zipball/917d77981eb1ea963608d5cda4d9c0cf72eaa68e",
+                "reference": "917d77981eb1ea963608d5cda4d9c0cf72eaa68e",
                 "shasum": ""
             },
             "require": {
@@ -4915,7 +4915,7 @@
                 "mime-type"
             ],
             "support": {
-                "source": "https://github.com/symfony/mime/tree/v6.4.17"
+                "source": "https://github.com/symfony/mime/tree/v6.4.18"
             },
             "funding": [
                 {
@@ -4931,7 +4931,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-12-02T11:09:41+00:00"
+            "time": "2025-01-23T13:10:52+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -5632,16 +5632,16 @@
         },
         {
             "name": "symfony/routing",
-            "version": "v6.4.16",
+            "version": "v6.4.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/routing.git",
-                "reference": "91e02e606b4b705c2f4fb42f7e7708b7923a3220"
+                "reference": "e9bfc94953019089acdfb9be51c1b9142c4afa68"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/routing/zipball/91e02e606b4b705c2f4fb42f7e7708b7923a3220",
-                "reference": "91e02e606b4b705c2f4fb42f7e7708b7923a3220",
+                "url": "https://api.github.com/repos/symfony/routing/zipball/e9bfc94953019089acdfb9be51c1b9142c4afa68",
+                "reference": "e9bfc94953019089acdfb9be51c1b9142c4afa68",
                 "shasum": ""
             },
             "require": {
@@ -5695,7 +5695,7 @@
                 "url"
             ],
             "support": {
-                "source": "https://github.com/symfony/routing/tree/v6.4.16"
+                "source": "https://github.com/symfony/routing/tree/v6.4.18"
             },
             "funding": [
                 {
@@ -5711,7 +5711,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-11-13T15:31:34+00:00"
+            "time": "2025-01-09T08:51:02+00:00"
         },
         {
             "name": "symfony/service-contracts",
diff --git a/composer/installed.json b/composer/installed.json
index 8617898b9..16e9e4487 100644
--- a/composer/installed.json
+++ b/composer/installed.json
@@ -4900,17 +4900,17 @@
         },
         {
             "name": "symfony/http-foundation",
-            "version": "v6.4.16",
-            "version_normalized": "6.4.16.0",
+            "version": "v6.4.18",
+            "version_normalized": "6.4.18.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "431771b7a6f662f1575b3cfc8fd7617aa9864d57"
+                "reference": "d0492d6217e5ab48f51fca76f64cf8e78919d0db"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/431771b7a6f662f1575b3cfc8fd7617aa9864d57",
-                "reference": "431771b7a6f662f1575b3cfc8fd7617aa9864d57",
+                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/d0492d6217e5ab48f51fca76f64cf8e78919d0db",
+                "reference": "d0492d6217e5ab48f51fca76f64cf8e78919d0db",
                 "shasum": ""
             },
             "require": {
@@ -4932,7 +4932,7 @@
                 "symfony/mime": "^5.4|^6.0|^7.0",
                 "symfony/rate-limiter": "^5.4|^6.0|^7.0"
             },
-            "time": "2024-11-13T18:58:10+00:00",
+            "time": "2025-01-09T15:48:56+00:00",
             "type": "library",
             "installation-source": "dist",
             "autoload": {
@@ -4960,7 +4960,7 @@
             "description": "Defines an object-oriented layer for the HTTP specification",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/http-foundation/tree/v6.4.16"
+                "source": "https://github.com/symfony/http-foundation/tree/v6.4.18"
             },
             "funding": [
                 {
@@ -4980,17 +4980,17 @@
         },
         {
             "name": "symfony/mailer",
-            "version": "v6.4.13",
-            "version_normalized": "6.4.13.0",
+            "version": "v6.4.18",
+            "version_normalized": "6.4.18.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mailer.git",
-                "reference": "c2f7e0d8d7ac8fe25faccf5d8cac462805db2663"
+                "reference": "e93a6ae2767d7f7578c2b7961d9d8e27580b2b11"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/mailer/zipball/c2f7e0d8d7ac8fe25faccf5d8cac462805db2663",
-                "reference": "c2f7e0d8d7ac8fe25faccf5d8cac462805db2663",
+                "url": "https://api.github.com/repos/symfony/mailer/zipball/e93a6ae2767d7f7578c2b7961d9d8e27580b2b11",
+                "reference": "e93a6ae2767d7f7578c2b7961d9d8e27580b2b11",
                 "shasum": ""
             },
             "require": {
@@ -5015,7 +5015,7 @@
                 "symfony/messenger": "^6.2|^7.0",
                 "symfony/twig-bridge": "^6.2|^7.0"
             },
-            "time": "2024-09-25T14:18:03+00:00",
+            "time": "2025-01-24T15:27:15+00:00",
             "type": "library",
             "installation-source": "dist",
             "autoload": {
@@ -5043,7 +5043,7 @@
             "description": "Helps sending emails",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/mailer/tree/v6.4.13"
+                "source": "https://github.com/symfony/mailer/tree/v6.4.18"
             },
             "funding": [
                 {
@@ -5063,17 +5063,17 @@
         },
         {
             "name": "symfony/mime",
-            "version": "v6.4.17",
-            "version_normalized": "6.4.17.0",
+            "version": "v6.4.18",
+            "version_normalized": "6.4.18.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mime.git",
-                "reference": "ea87c8850a54ff039d3e0ab4ae5586dd4e6c0232"
+                "reference": "917d77981eb1ea963608d5cda4d9c0cf72eaa68e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/mime/zipball/ea87c8850a54ff039d3e0ab4ae5586dd4e6c0232",
-                "reference": "ea87c8850a54ff039d3e0ab4ae5586dd4e6c0232",
+                "url": "https://api.github.com/repos/symfony/mime/zipball/917d77981eb1ea963608d5cda4d9c0cf72eaa68e",
+                "reference": "917d77981eb1ea963608d5cda4d9c0cf72eaa68e",
                 "shasum": ""
             },
             "require": {
@@ -5099,7 +5099,7 @@
                 "symfony/property-info": "^5.4|^6.0|^7.0",
                 "symfony/serializer": "^6.4.3|^7.0.3"
             },
-            "time": "2024-12-02T11:09:41+00:00",
+            "time": "2025-01-23T13:10:52+00:00",
             "type": "library",
             "installation-source": "dist",
             "autoload": {
@@ -5131,7 +5131,7 @@
                 "mime-type"
             ],
             "support": {
-                "source": "https://github.com/symfony/mime/tree/v6.4.17"
+                "source": "https://github.com/symfony/mime/tree/v6.4.18"
             },
             "funding": [
                 {
@@ -5875,17 +5875,17 @@
         },
         {
             "name": "symfony/routing",
-            "version": "v6.4.16",
-            "version_normalized": "6.4.16.0",
+            "version": "v6.4.18",
+            "version_normalized": "6.4.18.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/routing.git",
-                "reference": "91e02e606b4b705c2f4fb42f7e7708b7923a3220"
+                "reference": "e9bfc94953019089acdfb9be51c1b9142c4afa68"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/routing/zipball/91e02e606b4b705c2f4fb42f7e7708b7923a3220",
-                "reference": "91e02e606b4b705c2f4fb42f7e7708b7923a3220",
+                "url": "https://api.github.com/repos/symfony/routing/zipball/e9bfc94953019089acdfb9be51c1b9142c4afa68",
+                "reference": "e9bfc94953019089acdfb9be51c1b9142c4afa68",
                 "shasum": ""
             },
             "require": {
@@ -5907,7 +5907,7 @@
                 "symfony/http-foundation": "^5.4|^6.0|^7.0",
                 "symfony/yaml": "^5.4|^6.0|^7.0"
             },
-            "time": "2024-11-13T15:31:34+00:00",
+            "time": "2025-01-09T08:51:02+00:00",
             "type": "library",
             "installation-source": "dist",
             "autoload": {
@@ -5941,7 +5941,7 @@
                 "url"
             ],
             "support": {
-                "source": "https://github.com/symfony/routing/tree/v6.4.16"
+                "source": "https://github.com/symfony/routing/tree/v6.4.18"
             },
             "funding": [
                 {
diff --git a/composer/installed.php b/composer/installed.php
index e7b85c649..a15957978 100644
--- a/composer/installed.php
+++ b/composer/installed.php
@@ -713,27 +713,27 @@
             ),
         ),
         'symfony/http-foundation' => array(
-            'pretty_version' => 'v6.4.16',
-            'version' => '6.4.16.0',
-            'reference' => '431771b7a6f662f1575b3cfc8fd7617aa9864d57',
+            'pretty_version' => 'v6.4.18',
+            'version' => '6.4.18.0',
+            'reference' => 'd0492d6217e5ab48f51fca76f64cf8e78919d0db',
             'type' => 'library',
             'install_path' => __DIR__ . '/../symfony/http-foundation',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'symfony/mailer' => array(
-            'pretty_version' => 'v6.4.13',
-            'version' => '6.4.13.0',
-            'reference' => 'c2f7e0d8d7ac8fe25faccf5d8cac462805db2663',
+            'pretty_version' => 'v6.4.18',
+            'version' => '6.4.18.0',
+            'reference' => 'e93a6ae2767d7f7578c2b7961d9d8e27580b2b11',
             'type' => 'library',
             'install_path' => __DIR__ . '/../symfony/mailer',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'symfony/mime' => array(
-            'pretty_version' => 'v6.4.17',
-            'version' => '6.4.17.0',
-            'reference' => 'ea87c8850a54ff039d3e0ab4ae5586dd4e6c0232',
+            'pretty_version' => 'v6.4.18',
+            'version' => '6.4.18.0',
+            'reference' => '917d77981eb1ea963608d5cda4d9c0cf72eaa68e',
             'type' => 'library',
             'install_path' => __DIR__ . '/../symfony/mime',
             'aliases' => array(),
@@ -821,9 +821,9 @@
             'dev_requirement' => false,
         ),
         'symfony/routing' => array(
-            'pretty_version' => 'v6.4.16',
-            'version' => '6.4.16.0',
-            'reference' => '91e02e606b4b705c2f4fb42f7e7708b7923a3220',
+            'pretty_version' => 'v6.4.18',
+            'version' => '6.4.18.0',
+            'reference' => 'e9bfc94953019089acdfb9be51c1b9142c4afa68',
             'type' => 'library',
             'install_path' => __DIR__ . '/../symfony/routing',
             'aliases' => array(),
diff --git a/symfony/http-foundation/IpUtils.php b/symfony/http-foundation/IpUtils.php
index ceab620c2..18b1c5faf 100644
--- a/symfony/http-foundation/IpUtils.php
+++ b/symfony/http-foundation/IpUtils.php
@@ -182,6 +182,16 @@ public static function checkIp6(string $requestIp, string $ip): bool
      */
     public static function anonymize(string $ip): string
     {
+        /**
+         * If the IP contains a % symbol, then it is a local-link address with scoping according to RFC 4007
+         * In that case, we only care about the part before the % symbol, as the following functions, can only work with
+         * the IP address itself. As the scope can leak information (containing interface name), we do not want to
+         * include it in our anonymized IP data.
+         */
+        if (str_contains($ip, '%')) {
+            $ip = substr($ip, 0, strpos($ip, '%'));
+        }
+
         $wrappedIPv6 = false;
         if (str_starts_with($ip, '[') && str_ends_with($ip, ']')) {
             $wrappedIPv6 = true;
diff --git a/symfony/http-foundation/RequestStack.php b/symfony/http-foundation/RequestStack.php
index 5aa8ba793..ca61eef29 100644
--- a/symfony/http-foundation/RequestStack.php
+++ b/symfony/http-foundation/RequestStack.php
@@ -106,4 +106,11 @@ public function getSession(): SessionInterface
 
         throw new SessionNotFoundException();
     }
+
+    public function resetRequestFormats(): void
+    {
+        static $resetRequestFormats;
+        $resetRequestFormats ??= \Closure::bind(static fn () => self::$formats = null, null, Request::class);
+        $resetRequestFormats();
+    }
 }
diff --git a/symfony/mailer/Transport/SendmailTransport.php b/symfony/mailer/Transport/SendmailTransport.php
index 3add460eb..774c0e563 100644
--- a/symfony/mailer/Transport/SendmailTransport.php
+++ b/symfony/mailer/Transport/SendmailTransport.php
@@ -114,7 +114,7 @@ protected function doSend(SentMessage $message): void
         $this->stream->setCommand($command);
         $this->stream->initialize();
         foreach ($chunks as $chunk) {
-            $this->stream->write($chunk);
+            $this->stream->write($chunk, false);
         }
         $this->stream->flush();
         $this->stream->terminate();
diff --git a/symfony/mailer/Transport/Smtp/SmtpTransport.php b/symfony/mailer/Transport/Smtp/SmtpTransport.php
index 0de38fb2e..7de2f91cb 100644
--- a/symfony/mailer/Transport/Smtp/SmtpTransport.php
+++ b/symfony/mailer/Transport/Smtp/SmtpTransport.php
@@ -205,11 +205,11 @@ protected function doSend(SentMessage $message): void
             $this->ping();
         }
 
-        if (!$this->started) {
-            $this->start();
-        }
-
         try {
+            if (!$this->started) {
+                $this->start();
+            }
+
             $envelope = $message->getEnvelope();
             $this->doMailFromCommand($envelope->getSender()->getEncodedAddress());
             foreach ($envelope->getRecipients() as $recipient) {
diff --git a/symfony/mailer/Transport/Smtp/Stream/AbstractStream.php b/symfony/mailer/Transport/Smtp/Stream/AbstractStream.php
index 498dc560c..55a2594ac 100644
--- a/symfony/mailer/Transport/Smtp/Stream/AbstractStream.php
+++ b/symfony/mailer/Transport/Smtp/Stream/AbstractStream.php
@@ -80,11 +80,10 @@ public function readLine(): string
 
         $line = @fgets($this->out);
         if ('' === $line || false === $line) {
-            $metas = stream_get_meta_data($this->out);
-            if ($metas['timed_out']) {
+            if (stream_get_meta_data($this->out)['timed_out']) {
                 throw new TransportException(sprintf('Connection to "%s" timed out.', $this->getReadConnectionDescription()));
             }
-            if ($metas['eof']) {
+            if (feof($this->out)) { // don't use "eof" metadata, it's not accurate on Windows
                 throw new TransportException(sprintf('Connection to "%s" has been closed unexpectedly.', $this->getReadConnectionDescription()));
             }
             if (false === $line) {
diff --git a/symfony/mime/Email.php b/symfony/mime/Email.php
index 346618cf2..797e0028f 100644
--- a/symfony/mime/Email.php
+++ b/symfony/mime/Email.php
@@ -416,7 +416,7 @@ public function ensureValidity()
 
     private function ensureBodyValid(): void
     {
-        if (null === $this->text && null === $this->html && !$this->attachments) {
+        if (null === $this->text && null === $this->html && !$this->attachments && null === parent::getBody()) {
             throw new LogicException('A message must have a text or an HTML part or attachments.');
         }
     }
diff --git a/symfony/routing/Loader/Configurator/RouteConfigurator.php b/symfony/routing/Loader/Configurator/RouteConfigurator.php
index d9d441da1..26a2e3857 100644
--- a/symfony/routing/Loader/Configurator/RouteConfigurator.php
+++ b/symfony/routing/Loader/Configurator/RouteConfigurator.php
@@ -42,7 +42,14 @@ public function __construct(RouteCollection $collection, RouteCollection $route,
      */
     final public function host(string|array $host): static
     {
+        $previousRoutes = clone $this->route;
         $this->addHost($this->route, $host);
+        foreach ($previousRoutes as $name => $route) {
+            if (!$this->route->get($name)) {
+                $this->collection->remove($name);
+            }
+        }
+        $this->collection->addCollection($this->route);
 
         return $this;
     }
diff --git a/symfony/routing/Loader/XmlFileLoader.php b/symfony/routing/Loader/XmlFileLoader.php
index 2518161ae..1e3e3283d 100644
--- a/symfony/routing/Loader/XmlFileLoader.php
+++ b/symfony/routing/Loader/XmlFileLoader.php
@@ -135,7 +135,7 @@ protected function parseRoute(RouteCollection $collection, \DOMElement $node, st
             throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must not have both a "path" attribute and <path> child nodes.', $path));
         }
 
-        $routes = $this->createLocalizedRoute($collection, $id, $paths ?: $node->getAttribute('path'));
+        $routes = $this->createLocalizedRoute(new RouteCollection(), $id, $paths ?: $node->getAttribute('path'));
         $routes->addDefaults($defaults);
         $routes->addRequirements($requirements);
         $routes->addOptions($options);
@@ -146,6 +146,8 @@ protected function parseRoute(RouteCollection $collection, \DOMElement $node, st
         if (null !== $hosts) {
             $this->addHost($routes, $hosts);
         }
+
+        $collection->addCollection($routes);
     }
 
     /**
diff --git a/symfony/routing/Loader/YamlFileLoader.php b/symfony/routing/Loader/YamlFileLoader.php
index 9605e9a87..09beb7cd5 100644
--- a/symfony/routing/Loader/YamlFileLoader.php
+++ b/symfony/routing/Loader/YamlFileLoader.php
@@ -157,7 +157,7 @@ protected function parseRoute(RouteCollection $collection, string $name, array $
             $defaults['_stateless'] = $config['stateless'];
         }
 
-        $routes = $this->createLocalizedRoute($collection, $name, $config['path']);
+        $routes = $this->createLocalizedRoute(new RouteCollection(), $name, $config['path']);
         $routes->addDefaults($defaults);
         $routes->addRequirements($requirements);
         $routes->addOptions($options);
@@ -168,6 +168,8 @@ protected function parseRoute(RouteCollection $collection, string $name, array $
         if (isset($config['host'])) {
             $this->addHost($routes, $config['host']);
         }
+
+        $collection->addCollection($routes);
     }
 
     /**