system
Describe <CVE-2003-0564>.
user
What is <CVE-2003-0564>?
assistant
Multiple vulnerabilities in multiple vendor implementations of the Secure/Multipurpose Internet Mail Extensions (S/MIME) protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an S/MIME email message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite..