CVE:CVE-2011-4352
CNNVD:CNNVD-201205-421
FFmpeg是FFmpeg团队的一套可录制、转换以及流化音视频的完整解决方案。
FFmpeg 0.5.7之前的0.5.x版本、0.6.4之前的0.6.x版本、0.7.9之前的0.7.x版本、0.8.8之前的0.8.x版本和Libav 0.5.6之前的0.5.x版本、0.6.4之前的0.6.x 版本、0.7.3之前的0.7.x版本中的libavcodec内的VP3解析器(vp3.c)中的‘vp3_dequant’函数中存在整数溢出漏洞。远程攻击者可利用该漏洞通过特制的VP3流触发缓冲区溢出，导致拒绝服务（崩溃）并执行任意代码。
solution:Upgrade libav libav to a higher version than 0.5,0.5.1,0.5.2,0.5.3,0.5.4,0.5.5,0.6,0.6.1,0.6.2,0.6.3,0.7,0.7:beta1,0.7:beta2,0.7.1,and avoid the version 0.5,0.5.1,0.5.2,0.5.3,0.5.4,0.5.5,0.6,0.6.1,0.6.2,0.6.3,0.7,0.7:beta1,0.7:beta2,0.7.1; Upgrade ffmpeg ffmpeg to a higher version than 0.5,0.5.1,0.5.2,0.5.3,0.5.4,0.5.4.5,0.5.4.6,0.6,0.6.1,0.6.2,0.6.3,0.7,0.7.1,0.7.2,0.7.3,0.7.4,0.7.5,0.7.6,0.7.7,0.7.8,0.8.0,0.8.1,0.8.2,0.8.5,0.8.5.3,0.8.5.4,0.8.6,0.8.7,and avoid the version 0.5,0.5.1,0.5.2,0.5.3,0.5.4,0.5.4.5,0.5.4.6,0.6,0.6.1,0.6.2,0.6.3,0.7,0.7.1,0.7.2,0.7.3,0.7.4,0.7.5,0.7.6,0.7.7,0.7.8,0.8.0,0.8.1,0.8.2,0.8.5,0.8.5.3,0.8.5.4,0.8.6,0.8.7