Use correct regex for CVE

Per the CVE JSON schema we had not the correct regex.

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

vulnerabilities/utils.py

@@ -42,7 +42,7 @@
 
 logger = logging.getLogger(__name__)
 
-cve_regex = re.compile(r"CVE-\d{4}-\d{4,7}", re.IGNORECASE)
+cve_regex = re.compile(r"CVE-[0-9]{4}-[0-9]{4,19}", re.IGNORECASE)
 is_cve = cve_regex.match
 find_all_cve = cve_regex.findall