CVE:CVE-2017-10686
CNNVD:CNNVD-201706-1202
Netwide Assembler (NASM)是一个基于Linux的汇编器，它能够创建二进制文件并编写引导加载程序。tool nasm是NASM的用户工具。
NASM 2.14rc0版本中的tool nasm存在释放后重用漏洞。远程攻击者可利用该漏洞可能执行代码。
solution:Upgrade nasm netwide_assembler to a higher version than 2.14:rc0,and avoid the version 2.14:rc0; Upgrade canonical ubuntu_linux to a higher version than 14.04,and avoid the version 14.04