diff --git a/internal/http/reader/reader.go b/internal/http/reader/reader.go
index 19f9b95..bad8fb2 100644
--- a/internal/http/reader/reader.go
+++ b/internal/http/reader/reader.go
@@ -6,6 +6,7 @@ package reader
 // the golang standard library
 
 import (
+	"fmt"
 	"io"
 	"bufio"
 )
@@ -55,6 +56,10 @@ func (r *chunkReader) Read() ([]byte, error){
 		return nil, err
 	}
 
+	if len(line) > maxLineLength {
+		return nil, fmt.Errorf("HTTP line %d exceeded buffer size %d", len(line), maxLineLength)
+	}
+
 	/* (4) Trim */
 	line = removeTrailingSpace(line)