diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index cce2a5ca42fc9..44e468410629e 100644
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -832,6 +832,11 @@ PHP_FUNCTION(imagefilledellipse)
 		RETURN_THROWS();
 	}
 
+    if (w < 0 || ZEND_LONG_INT_OVFL(w)) {
+        zend_argument_value_error(4, "must be between 0 and %d", INT_MAX);
+        RETURN_THROWS();
+    }
+
 	im = php_gd_libgdimageptr_from_zval_p(IM);
 
 	gdImageFilledEllipse(im, cx, cy, w, h, color);
diff --git a/ext/gd/tests/gh19578.phpt b/ext/gd/tests/gh19578.phpt
new file mode 100644
index 0000000000000..15d10f752d0d4
--- /dev/null
+++ b/ext/gd/tests/gh19578.phpt
@@ -0,0 +1,27 @@
+--TEST--
+GH-19578: imagefilledellipse underflow on width argument
+--EXTENSIONS--
+gd
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 8) die('skip this test is for 64bit platforms only');
+?>
+--FILE--
+<?php
+$src = imagecreatetruecolor(255, 255);
+
+try {
+    imagefilledellipse($src, 0, 0, PHP_INT_MAX, 254, 0);
+} catch (\ValueError $e) {
+    echo $e->getMessage(), PHP_EOL;
+}
+
+try {
+    imagefilledellipse($src, 0, 0, -16, 254, 0);
+} catch (\ValueError $e) {
+    echo $e->getMessage();
+}
+?>
+--EXPECTF--
+imagefilledellipse(): Argument #4 ($width) must be between 0 and %d
+imagefilledellipse(): Argument #4 ($width) must be between 0 and %d
diff --git a/ext/gd/tests/gh19578_32bits.phpt b/ext/gd/tests/gh19578_32bits.phpt
new file mode 100644
index 0000000000000..2cb73a60987e2
--- /dev/null
+++ b/ext/gd/tests/gh19578_32bits.phpt
@@ -0,0 +1,20 @@
+--TEST--
+GH-19578: imagefilledellipse underflow on width argument
+--EXTENSIONS--
+gd
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) die('skip this test is for 32bit platforms only');
+?>
+--FILE--
+<?php
+$src = imagecreatetruecolor(255, 255);
+
+try {
+    imagefilledellipse($src, 0, 0, -16, 254, 0);
+} catch (\ValueError $e) {
+    echo $e->getMessage();
+}
+?>
+--EXPECTF--
+imagefilledellipse(): Argument #4 ($width) must be between 0 and %d