1 files changed, 9 insertions, 1 deletions
diff --git a/Bugzilla/WebService/Util.pm b/Bugzilla/WebService/Util.pm
index cbbc47921..503246c16 100644
--- a/Bugzilla/WebService/Util.pm
+++ b/Bugzilla/WebService/Util.pm
@@ -18,6 +18,7 @@ use Bugzilla::WebService::Constants;
 
 use Storable qw(dclone);
 use URI::Escape qw(uri_unescape);
+use List::MoreUtils qw(all any);
 
 use parent qw(Exporter);
 
@@ -221,7 +222,8 @@ sub validate  {
     # sent any parameters at all, and we're getting @keys where
     # $params should be.
     return ($self, undef) if (defined $params and !ref $params);
-    
+
+    my @id_params = qw( ids comment_ids );
     # If @keys is not empty then we convert any named 
     # parameters that have scalar values to arrayrefs
     # that match.
@@ -230,6 +232,12 @@ sub validate  {
             $params->{$key} = ref $params->{$key} 
                               ? $params->{$key} 
                               : [ $params->{$key} ];
+
+            if (any { $key eq $_ } @id_params) {
+                my $ids = $params->{$key};
+                ThrowCodeError('param_integer_array_required', { param => $key })
+                  unless ref($ids) eq 'ARRAY' && all { /^[0-9]+$/ } @$ids;
+            }
         }
     }