CVE:CVE-2021-1405
CNNVD:CNNVD-202104-443
Clam AntiVirus是ClamAV（Clamav）团队的一款用于检测木马，病毒，恶意软件和其他恶意威胁的开源杀毒引擎。
Clam AntiVirus 存在安全漏洞，攻击者可利用该漏洞可以通过ClamAV的邮件解析器强制取消对空指针的引用，从而触发拒绝服务。
solution:Upgrade clamav clamav to a higher version than 0.103.1,and avoid the version (,0.103.1]; Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0