1 files changed, 3 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/cryptomatte.cc b/source/blender/blenkernel/intern/cryptomatte.cc
index 6c7b3d82c3b..895f06da5fe 100644
--- a/source/blender/blenkernel/intern/cryptomatte.cc
+++ b/source/blender/blenkernel/intern/cryptomatte.cc
@@ -433,6 +433,9 @@ static bool from_manifest(CryptomatteLayer &layer, blender::StringRefNull manife
       }
 
       const int quoted_hash_len = quoted_string_len_(ref);
+      if (quoted_hash_len < 2) {
+        return false;
+      }
       const int hash_len = quoted_hash_len - 2;
       CryptomatteHash hash = CryptomatteHash::from_hex_encoded(ref.substr(1, hash_len));
       ref = ref.drop_prefix(quoted_hash_len);