CVE:CVE-2019-20919
CNNVD:CNNVD-202009-1150
Perl是Perl社区的一款通用、解释型、动态的跨平台编程语言。
Perl DBI 模块1.643版本中存在安全漏洞。该漏洞源于hv_fetch() 文档要求检查NULL，同时调用SvOK（profile），会导致NULL指针取消引用。
solution:Upgrade perl dbi to a higher version than 1.643,and avoid the version (,1.643); Upgrade fedoraproject fedora to a higher version than 31,and avoid the version 31; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,16.04,18.04,and avoid the version 12.04,14.04,16.04,18.04; Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0; Upgrade opensuse leap to a higher version than 15.1,15.2,and avoid the version 15.1,15.2