diff --git a/Userland/Libraries/LibHTTP/HttpRequest.cpp b/Userland/Libraries/LibHTTP/HttpRequest.cpp
index 4b16366c75..cbf3319619 100644
--- a/Userland/Libraries/LibHTTP/HttpRequest.cpp
+++ b/Userland/Libraries/LibHTTP/HttpRequest.cpp
@@ -102,6 +102,7 @@ ErrorOr<HttpRequest, HttpRequest::ParseError> HttpRequest::from_raw_request(Read
 
     Vector<u8, 256> buffer;
 
+    Optional<unsigned> content_length;
     DeprecatedString method;
     DeprecatedString resource;
     DeprecatedString protocol;
@@ -168,6 +169,10 @@ ErrorOr<HttpRequest, HttpRequest::ParseError> HttpRequest::from_raw_request(Read
                 }
 
                 commit_and_advance_to(current_header.value, next_state);
+
+                if (current_header.name.equals_ignoring_ascii_case("Content-Length"sv))
+                    content_length = current_header.value.to_uint();
+
                 headers.append(move(current_header));
                 break;
             }
@@ -189,6 +194,12 @@ ErrorOr<HttpRequest, HttpRequest::ParseError> HttpRequest::from_raw_request(Read
         }
     }
 
+    if (state != State::InBody)
+        return ParseError::RequestIncomplete;
+
+    if (content_length.has_value() && content_length.value() != body.size())
+        return ParseError::RequestIncomplete;
+
     HttpRequest request;
     if (method == "GET")
         request.m_method = Method::GET;
diff --git a/Userland/Libraries/LibHTTP/HttpRequest.h b/Userland/Libraries/LibHTTP/HttpRequest.h
index 29b648cdc8..fa66ee4788 100644
--- a/Userland/Libraries/LibHTTP/HttpRequest.h
+++ b/Userland/Libraries/LibHTTP/HttpRequest.h
@@ -20,6 +20,7 @@ class HttpRequest {
 public:
     enum class ParseError {
         RequestTooLarge,
+        RequestIncomplete,
         OutOfMemory,
         UnsupportedMethod
     };
@@ -29,6 +30,8 @@ public:
         switch (error) {
         case ParseError::RequestTooLarge:
             return "Request too large"sv;
+        case ParseError::RequestIncomplete:
+            return "Request is incomplete"sv;
         case ParseError::OutOfMemory:
             return "Out of memory"sv;
         case ParseError::UnsupportedMethod: