diff --git a/src/Colors/Profile.php b/src/Colors/Profile.php
index b6aa0e9e..11861caf 100644
--- a/src/Colors/Profile.php
+++ b/src/Colors/Profile.php
@@ -17,6 +17,12 @@ class Profile extends File implements ProfileInterface
      */
     public static function fromPath(string $path): self
     {
-        return new self(fopen($path, 'r'));
+        $pointer = fopen($path, 'r');
+
+        if ($pointer === false) {
+            throw new RuntimeException('Unable to read image profile from path.');
+        }
+
+        return new self($pointer);
     }
 }
diff --git a/src/Drivers/Gd/Analyzers/PixelColorAnalyzer.php b/src/Drivers/Gd/Analyzers/PixelColorAnalyzer.php
index 80542f3c..1213270f 100644
--- a/src/Drivers/Gd/Analyzers/PixelColorAnalyzer.php
+++ b/src/Drivers/Gd/Analyzers/PixelColorAnalyzer.php
@@ -8,10 +8,12 @@ use GdImage;
 use Intervention\Image\Analyzers\PixelColorAnalyzer as GenericPixelColorAnalyzer;
 use Intervention\Image\Exceptions\ColorException;
 use Intervention\Image\Exceptions\GeometryException;
+use Intervention\Image\Exceptions\RuntimeException;
 use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\ColorspaceInterface;
 use Intervention\Image\Interfaces\ImageInterface;
 use Intervention\Image\Interfaces\SpecializedInterface;
+use ValueError;
 
 class PixelColorAnalyzer extends GenericPixelColorAnalyzer implements SpecializedInterface
 {
@@ -31,16 +33,19 @@ class PixelColorAnalyzer extends GenericPixelColorAnalyzer implements Specialize
     /**
      * @throws GeometryException
      * @throws ColorException
+     * @throws RuntimeException
      */
     protected function colorAt(ColorspaceInterface $colorspace, GdImage $gd): ColorInterface
     {
         $index = @imagecolorat($gd, $this->x, $this->y);
 
-        if (!imageistruecolor($gd)) {
-            $index = imagecolorsforindex($gd, $index);
+        if ($index === false) {
+            throw new RuntimeException('Unable to read color at pixel ' . $this->x . ', ' . $this->y . '.');
         }
 
-        if ($index === false) {
+        try {
+            $index = imagecolorsforindex($gd, $index);
+        } catch (ValueError) {
             throw new GeometryException(
                 'The specified position is not in the valid image area.'
             );
diff --git a/src/Drivers/Gd/FontProcessor.php b/src/Drivers/Gd/FontProcessor.php
index f43a2cb8..84ac2e6a 100644
--- a/src/Drivers/Gd/FontProcessor.php
+++ b/src/Drivers/Gd/FontProcessor.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Intervention\Image\Drivers\Gd;
 
 use Intervention\Image\Drivers\AbstractFontProcessor;
+use Intervention\Image\Exceptions\FontException;
 use Intervention\Image\Geometry\Point;
 use Intervention\Image\Geometry\Rectangle;
 use Intervention\Image\Interfaces\FontInterface;
@@ -44,6 +45,10 @@ class FontProcessor extends AbstractFontProcessor
             string: $text
         );
 
+        if ($box === false) {
+            throw new FontException('Unable to calculate box size of font.');
+        }
+
         // build size from points
         return new Rectangle(
             width: intval(abs($box[6] - $box[4])), // difference of upper-left-x and upper-right-x
diff --git a/src/Traits/CanBuildFilePointer.php b/src/Traits/CanBuildFilePointer.php
index 7c22d394..d5d7c29d 100644
--- a/src/Traits/CanBuildFilePointer.php
+++ b/src/Traits/CanBuildFilePointer.php
@@ -22,6 +22,11 @@ trait CanBuildFilePointer
             is_resource($data) && get_resource_type($data) === 'stream' => fn(mixed $data) => $data,
             is_string($data) => function (mixed $data) {
                 $pointer = fopen('php://temp', 'r+');
+
+                if ($pointer === false) {
+                    throw new RuntimeException('Unable to build file pointer.');
+                }
+
                 fwrite($pointer, $data);
                 return $pointer;
             },