relates to github bcgit#1479 - check for invalid extension sequence

JonathanLennox · Aug 26, 2023 · c9446a6 · c9446a6
1 parent b0ca436
commit c9446a6
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/core/src/main/java/org/bouncycastle/asn1/x509/Extensions.java b/core/src/main/java/org/bouncycastle/asn1/x509/Extensions.java
@@ -71,6 +71,11 @@ else if (obj != null)
     private Extensions(
         ASN1Sequence seq)
     {
+        if (seq.size() == 0)
+        {
+            throw new IllegalArgumentException("empty extension sequence found");
+        }
+
         Enumeration e = seq.getObjects();
 
         while (e.hasMoreElements())
@@ -110,6 +115,11 @@ public Extensions(
     public Extensions(
         Extension[] extensions)
     {
+        if (extensions == null || extensions.length == 0)
+        {
+            throw new IllegalArgumentException("extension array cannot be null or empty");
+        }
+
         for (int i = 0; i != extensions.length; i++)
         {
             Extension ext = extensions[i];