fix: improve libnss checker (#2539)

mozilla:nss is a valid CPE ID (with 4 associated CVEs)

Signed-off-by: Fabrice Fontaine <[email protected]>
Co-authored-by: Terri Oda <[email protected]>

Author: ffontaine

cve_bin_tool/checkers/libnss.py

@@ -7,6 +7,7 @@
 
 References:
 http://www.cvedetails.com/vulnerability-list/vendor_id-452/product_id-4052/Mozilla-Network-Security-Services.html
+https://www.cvedetails.com/product/17794/Mozilla-NSS.html?vendor_id=452
 
 RSS feed: http://www.cvedetails.com/vulnerability-feed.php?vendor_id=452&product_id=4052&version_id=&orderby=3&cvssscoremin=0
 """
@@ -34,4 +35,4 @@ class LibnssChecker(Checker):
         r"\@\(#\)NSS ([01234]+\.[0-9]+\.[0-9]+) Basic",
         r"\@\(#\)NSS ([01234]+\.[0-9]+\.[0-9]+)\.[0-9]+ Basic",
     ]
-    VENDOR_PRODUCT = [("mozilla", "network_security_services")]
+    VENDOR_PRODUCT = [("mozilla", "nss"), ("mozilla", "network_security_services")]