CVE:CVE-2020-25687
CNNVD:CNNVD-202101-1568
Dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。
Dnsmasq 存在缓冲区错误漏洞，该漏洞源于sort rrset子例程中的基于堆的缓冲区溢出，该子例程在启用DNSSEC时并在验证接收到的DNS条目之前发生。
solution:Upgrade thekelleys dnsmasq to a higher version than 2.83,and avoid the version (,2.83); Upgrade fedoraproject fedora to a higher version than 32,33,and avoid the version 32,33; Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0