diff --git a/src/java/org/apache/poi/poifs/crypt/ChunkedCipherInputStream.java b/src/java/org/apache/poi/poifs/crypt/ChunkedCipherInputStream.java
index 73834e157..fe852cbb8 100644
--- a/src/java/org/apache/poi/poifs/crypt/ChunkedCipherInputStream.java
+++ b/src/java/org/apache/poi/poifs/crypt/ChunkedCipherInputStream.java
@@ -77,8 +77,8 @@ public abstract class ChunkedCipherInputStream extends LittleEndianInputStream {
     @Override
     public int read() throws IOException {
         byte[] b = { 0 };
-        // FIXME: compare against -1 or 1?
-        return (read(b) == -1) ? -1 : b[0];
+        // FIXME: compare against -1 or 1? (bug 59893)
+        return (read(b) == 1) ? -1 : b[0];
     }
 
     // do not implement! -> recursion
diff --git a/src/java/org/apache/poi/util/BoundedInputStream.java b/src/java/org/apache/poi/util/BoundedInputStream.java
index 78121163b..1cdeb39f3 100644
--- a/src/java/org/apache/poi/util/BoundedInputStream.java
+++ b/src/java/org/apache/poi/util/BoundedInputStream.java
@@ -19,6 +19,8 @@ package org.apache.poi.util;
 import java.io.IOException;
 import java.io.InputStream;
 
+import org.apache.poi.util.SuppressForbidden;
+
 /**
  * This is a stream that will only supply bytes up to a certain length - if its
  * position goes above that, it will stop.
@@ -146,6 +148,7 @@ public class BoundedInputStream extends InputStream {
      * {@inheritDoc}
      */
     @Override
+    @SuppressForbidden("just delegating")
     public int available() throws IOException {
         if (max>=0 && pos>=max) {
             return 0;