CVE:CVE-2015-2806
CNNVD:CNNVD-201504-179
Libtasn1是GNU项目的一个用于开发ASN.1（Abstract Syntax Notation One，用于描述数据的表示、编码、传输、解码的标准）结构管理的C库。
libtasn1 4.4之前版本的asn1_der_decoding功能中存在基于栈的缓冲区溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务，或执行任意代码。
solution:Upgrade canonical ubuntu_linux to a higher version than 10.04,12.04,14.04,14.10,and avoid the version 10.04,12.04,14.04,14.10; Upgrade debian debian_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade fedoraproject fedora to a higher version than 20,21,22,and avoid the version 20,21,22; Upgrade gnu libtasn1 to a higher version than 4.3,and avoid the version (,4.3]