diff --git a/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp b/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
index 093d54ba83..6aeb1363cc 100644
--- a/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
@@ -276,7 +276,7 @@ WebIDL::Long HTMLTextAreaElement::min_length() const
{
// The minLength IDL attribute must reflect the minlength content attribute, limited to only non-negative numbers.
if (auto minlength_string = get_attribute(HTML::AttributeNames::minlength); minlength_string.has_value()) {
- if (auto minlength = parse_non_negative_integer(*minlength_string); minlength.has_value())
+ if (auto minlength = parse_non_negative_integer(*minlength_string); minlength.has_value() && *minlength <= 2147483647)
return *minlength;
}
return -1;
diff --git a/Tests/LibWeb/Text/expected/HTML/unsigned-long-reflection.txt b/Tests/LibWeb/Text/expected/HTML/unsigned-long-reflection.txt
index e81fc059a4..2e89ad7339 100644
--- a/Tests/LibWeb/Text/expected/HTML/unsigned-long-reflection.txt
+++ b/Tests/LibWeb/Text/expected/HTML/unsigned-long-reflection.txt
@@ -253,6 +253,24 @@ select.getAttribute("size") after select.setAttribute("size", "4294967295"): 429
select.size after select.setAttribute("size", "4294967295"): 0
select.getAttribute("size") after select.size = 4294967295: 0
select.size after select.size = 4294967295: 0
+textarea.getAttribute("maxlength") after textarea.setAttribute("maxLength", "0"): 0
+textarea.maxLength after textarea.setAttribute("maxlength", "0"): 0
+textarea.getAttribute("maxlength") after textarea.maxLength = 0: 0
+textarea.maxLength after textarea.maxLength = 0: 0
+textarea.getAttribute("maxlength") after textarea.setAttribute("maxLength", "1"): 1
+textarea.maxLength after textarea.setAttribute("maxlength", "1"): 1
+textarea.getAttribute("maxlength") after textarea.maxLength = 1: 1
+textarea.maxLength after textarea.maxLength = 1: 1
+textarea.getAttribute("maxlength") after textarea.setAttribute("maxLength", "2147483647"): 2147483647
+textarea.maxLength after textarea.setAttribute("maxlength", "2147483647"): 2147483647
+textarea.getAttribute("maxlength") after textarea.maxLength = 2147483647: 2147483647
+textarea.maxLength after textarea.maxLength = 2147483647: 2147483647
+textarea.getAttribute("maxlength") after textarea.setAttribute("maxLength", "2147483648"): 2147483648
+textarea.maxLength after textarea.setAttribute("maxlength", "2147483648"): -1
+textarea.maxLength = 2147483648 threw exception of type IndexSizeError
+textarea.getAttribute("maxlength") after textarea.setAttribute("maxLength", "4294967295"): 4294967295
+textarea.maxLength after textarea.setAttribute("maxlength", "4294967295"): -1
+textarea.maxLength = 4294967295 threw exception of type IndexSizeError
textarea.getAttribute("minlength") after textarea.setAttribute("minLength", "0"): 0
textarea.minLength after textarea.setAttribute("minlength", "0"): 0
textarea.getAttribute("minlength") after textarea.minLength = 0: 0
@@ -266,7 +284,7 @@ textarea.minLength after textarea.setAttribute("minlength", "2147483647"): 21474
textarea.getAttribute("minlength") after textarea.minLength = 2147483647: 2147483647
textarea.minLength after textarea.minLength = 2147483647: 2147483647
textarea.getAttribute("minlength") after textarea.setAttribute("minLength", "2147483648"): 2147483648
-textarea.minLength after textarea.setAttribute("minlength", "2147483648"): -2147483648
+textarea.minLength after textarea.setAttribute("minlength", "2147483648"): -1
textarea.minLength = 2147483648 threw exception of type IndexSizeError
textarea.getAttribute("minlength") after textarea.setAttribute("minLength", "4294967295"): 4294967295
textarea.minLength after textarea.setAttribute("minlength", "4294967295"): -1
diff --git a/Tests/LibWeb/Text/input/HTML/unsigned-long-reflection.html b/Tests/LibWeb/Text/input/HTML/unsigned-long-reflection.html
index 97fc9a6c18..408da7014c 100644
--- a/Tests/LibWeb/Text/input/HTML/unsigned-long-reflection.html
+++ b/Tests/LibWeb/Text/input/HTML/unsigned-long-reflection.html
@@ -55,6 +55,7 @@
testProperty("marquee", "scrollAmount", (marquee) => marquee.scrollAmount, (marquee, value) => marquee.scrollAmount = value);
testProperty("marquee", "scrollDelay", (marquee) => marquee.scrollDelay, (marquee, value) => marquee.scrollDelay = value);
testProperty("select", "size", (select) => select.size, (select, value) => select.size = value);
+ testProperty("textarea", "maxLength", (textarea) => textarea.maxLength, (textarea, value) => textarea.maxLength = value);
testProperty("textarea", "minLength", (textarea) => textarea.minLength, (textarea, value) => textarea.minLength = value);
testProperty("textarea", "rows", (textarea) => textarea.rows, (textarea, value) => textarea.rows = value);
testProperty("textarea", "cols", (textarea) => textarea.cols, (textarea, value) => textarea.cols = value);