CVE:CVE-2021-21857
CNNVD:CNNVD-202108-1431
GPAC Project Advanced Content是MPEG-4系统标准的实现，以ANSI C编写。
GPAC Advanced Content library 1.0.1版本存在缓冲区错误漏洞，该漏洞源于应用未经检查的加法运算导致整数溢出，导致基于堆的缓冲区溢出，从而导致内存损坏。
solution:Upgrade gpac gpac to a higher version than 1.0.1,and avoid the version 1.0.1; Upgrade debian debian_linux to a higher version than 10.0,11.0,and avoid the version 10.0,11.0