execv_git_cmd: Fix stack buffer overflow.

[git.git] / git-send-email.perl

diff --git a/git-send-email.perl b/git-send-email.perl
index d418d6c..0e368ff 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -387,7 +387,9 @@ X-Mailer: git-send-email $gitversion
                my $pid = open my $sm, '|-';
                defined $pid or die $!;
                if (!$pid) {
-                       exec($smtp_server,'-i',@recipients) or die $!;
+                       exec($smtp_server,'-i',
+                            map { scalar extract_valid_address($_) }
+                            @recipients) or die $!;
                }
                print $sm "$header\n$message";
                close $sm or die $?;
@@ -420,7 +422,7 @@ X-Mailer: git-send-email $gitversion
 }
 
 $reply_to = $initial_reply_to;
-$references = $initial_reply_to;
+$references = $initial_reply_to || '';
 make_message_id();
 $subject = $initial_subject;