Merge pull request #533 from oraveczandrew/file-header-utils-fix

fix ArrayIndexOutOfBoundsException in FileHeaderUtils
Konloch · Feb 28, 2025 · 9c866ec · 9c866ec
2 parents 856f30b + 5abb8c9
commit 9c866ec
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/main/java/the/bytecode/club/bytecodeviewer/util/FileHeaderUtils.java b/src/main/java/the/bytecode/club/bytecodeviewer/util/FileHeaderUtils.java
@@ -30,6 +30,8 @@ public class FileHeaderUtils
 
     public static boolean doesFileHeaderMatch(byte[] bytes, int fileHeader)
     {
+        if (bytes.length < 4) return false;
+
         int bytesHeader = ((bytes[0] & 0xFF) << 24)
             | ((bytes[1] & 0xFF) << 16)
             | ((bytes[2] & 0xFF) << 8)