diff --git a/CHANGELOG-5.3.md b/CHANGELOG-5.3.md
index 5a78040e1dfc5..c5d301c5a57d6 100644
--- a/CHANGELOG-5.3.md
+++ b/CHANGELOG-5.3.md
@@ -7,6 +7,10 @@ in 5.3 minor versions.
 To get the diff for a specific change, go to https://github.com/symfony/symfony/commit/XXX where XXX is the change hash
 To get the diff between two versions, go to https://github.com/symfony/symfony/compare/v5.3.0...v5.3.1
 
+* 5.3.16 (2022-03-01)
+
+ * bug #45590 [Console] Revert StringInput bc break from #45088 (bobthecow)
+
 * 5.3.15 (2022-01-29)
 
  * security #cve-2022-xxxx [FrameworkBundle] Enable CSRF in FORM by default (jderusse)
diff --git a/src/Symfony/Component/Console/Input/StringInput.php b/src/Symfony/Component/Console/Input/StringInput.php
index 76f1d5030a7a7..56bb66cbfd143 100644
--- a/src/Symfony/Component/Console/Input/StringInput.php
+++ b/src/Symfony/Component/Console/Input/StringInput.php
@@ -24,7 +24,8 @@
  */
 class StringInput extends ArgvInput
 {
-    public const REGEX_STRING = '([^\s\\\\]+?)';
+    public const REGEX_STRING = '([^\s]+?)(?:\s|(?<!\\\\)"|(?<!\\\\)\'|$)';
+    public const REGEX_UNQUOTED_STRING = '([^\s\\\\]+?)';
     public const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\')';
 
     /**
@@ -64,7 +65,7 @@ private function tokenize(string $input): array
                 $token .= $match[1].$match[2].stripcslashes(str_replace(['"\'', '\'"', '\'\'', '""'], '', substr($match[3], 1, -1)));
             } elseif (preg_match('/'.self::REGEX_QUOTED_STRING.'/A', $input, $match, 0, $cursor)) {
                 $token .= stripcslashes(substr($match[0], 1, -1));
-            } elseif (preg_match('/'.self::REGEX_STRING.'/A', $input, $match, 0, $cursor)) {
+            } elseif (preg_match('/'.self::REGEX_UNQUOTED_STRING.'/A', $input, $match, 0, $cursor)) {
                 $token .= $match[1];
             } else {
                 // should never happen
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 90134cd4ee693..ce07a37e6d2a1 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -75,11 +75,11 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
     private static $freshCache = [];
 
-    public const VERSION = '5.3.15';
-    public const VERSION_ID = 50315;
+    public const VERSION = '5.3.16';
+    public const VERSION_ID = 50316;
     public const MAJOR_VERSION = 5;
     public const MINOR_VERSION = 3;
-    public const RELEASE_VERSION = 15;
+    public const RELEASE_VERSION = 16;
     public const EXTRA_VERSION = '';
 
     public const END_OF_MAINTENANCE = '01/2022';