#792: Guard against incorrect JPEG Huffman Table class

haraldk · Aug 21, 2023 · 608b372 · 608b372
1 parent e3ebf8e
commit 608b372
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/HuffmanTable.java b/imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/HuffmanTable.java
@@ -145,8 +145,8 @@ public static Segment read(final DataInput data, final int length) throws IOExce
             }
 
             int c = temp >> 4;
-            if (c > 2) {
-                throw new IIOException("Unexpected JPEG Huffman Table class (> 2): " + c);
+            if (c > 1) {
+                throw new IIOException("Unexpected JPEG Huffman Table class (> 1): " + c);
             }
 
             table.tc[t][c] = true;