The CVE database is free. Or maybe NVD are the ones publishing this mapping of CVEs to software packages and versions, but either way, a site like cvedetails wi

The CVE database is free. Or maybe NVD are the ones publishing this mapping of CVEs to software packages and versions, but either way, a site like cvedetails will give you this information. I'm less sure where you could subscribe to these for all software thingies you run (maybe cvedetails already has that)