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LibWeb: Restrict HTMLInputElement::max_length to the range of i32

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This commit is contained in:
Tim Ledbetter
2024-11-30 20:00:53 +00:00
committed by Andreas Kling
parent 163ec18593
commit 40d6b9d44e
3 changed files with 20 additions and 1 deletions
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2
Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@@ -1832,7 +1832,7 @@ WebIDL::Long HTMLInputElement::max_length() const
{
// The maxLength IDL attribute must reflect the maxlength content attribute, limited to only non-negative numbers.
if (auto maxlength_string = get_attribute(HTML::AttributeNames::maxlength); maxlength_string.has_value()) {
if (auto maxlength = parse_non_negative_integer(*maxlength_string); maxlength.has_value())
if (auto maxlength = parse_non_negative_integer(*maxlength_string); maxlength.has_value() && *maxlength <= 2147483647)
return *maxlength;
}
return -1;