minor #8184 Add URL where to ask for a CVE identifier (fabpot)

This PR was merged into the 2.7 branch.

Discussion
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Add URL where to ask for a CVE identifier

Commits
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89ec5f3 added URL where to ask for a CVE identifier

Author: xabbuh

contributing/code/security.rst

@@ -21,7 +21,7 @@ confirmed, the core-team works on a solution following these steps:
 
 #. Send an acknowledgement to the reporter;
 #. Work on a patch;
-#. Get a CVE identifier from mitre.org;
+#. Get a CVE identifier from `mitre.org`_;
 #. Write a security announcement for the official Symfony `blog`_ about the
    vulnerability. This post should contain the following information:
 
@@ -143,3 +143,4 @@ releases, starting from Symfony 1.0.0:
 .. _blog: https://symfony.com/blog/
 .. _Security Advisories: https://symfony.com/blog/category/security-advisories
 .. _`security advisories database`: https://github.com/FriendsOfPHP/security-advisories
+.. _`mitre.org`: https://cveform.mitre.org/