diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 418af0b53..cc48379bb 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -1108,6 +1108,9 @@ struct CmapSubtableFormat14
       return;
     }
 
+    if (unlikely (!c->check_success (!obj_indices.in_error ())))
+      return;
+
     int tail_len = init_tail - c->tail;
     c->check_assign (this->length, c->length () - table_initpos + tail_len);
     c->check_assign (this->record.len,
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6316256152780800 b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6316256152780800
new file mode 100644
index 000000000..b01eb8d96
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6316256152780800 differ