diff --git a/vulnerabilities/utils.py b/vulnerabilities/utils.py
index 891b53ba5..cb16f0eb6 100644
--- a/vulnerabilities/utils.py
+++ b/vulnerabilities/utils.py
@@ -39,7 +39,7 @@
 
 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