From 1c5ecdf1c8d11dbd47f1361bc11565d1175c81bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Buclin?= <LpSolit@gmail.com>
Date: Tue, 15 Mar 2016 17:11:52 +0100
Subject: Bug 1253267: Possible DOT injection vulnerability in dependency
 graphs if long bug summaries are wrapped r/a=dkl

---
 showdependencygraph.cgi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/showdependencygraph.cgi b/showdependencygraph.cgi
index 476df1e8e..6d4cb1e71 100755
--- a/showdependencygraph.cgi
+++ b/showdependencygraph.cgi
@@ -198,6 +198,9 @@ foreach my $k (@bug_ids) {
             utf8::encode($summary) if utf8::is_utf8($summary);
         }
         $summary =~ s/([\\\"])/\\$1/g;
+        # Newlines must be escaped too, to not break the .map file
+        # and to prevent code injection.
+        $summary =~ s/\n/\\n/g;
         push(@params, qq{label="$k\\n$summary"});
     }
 
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