1 files changed, 12 insertions, 1 deletions
diff --git a/lib/gitlab/regex.rb b/lib/gitlab/regex.rb
index 4ae6297f6f5..96f2b7570b3 100644
--- a/lib/gitlab/regex.rb
+++ b/lib/gitlab/regex.rb
@@ -27,7 +27,18 @@ module Gitlab
       end
 
       def package_name_regex
-        @package_name_regex ||= %r{\A\@?(([\w\-\.\+]*)\/)*([\w\-\.]+)@?(([\w\-\.\+]*)\/)*([\w\-\.]*)\z}.freeze
+        @package_name_regex ||=
+          %r{
+              \A\@?
+              (?> # atomic group to prevent backtracking
+                (([\w\-\.\+]*)\/)*([\w\-\.]+)
+              )
+              @?
+              (?> # atomic group to prevent backtracking
+                (([\w\-\.\+]*)\/)*([\w\-\.]*)
+              )
+              \z
+            }x.freeze
       end
 
       def maven_file_name_regex