CVE-2013-7013 Information

Description

The g2m_init_buffers function in libavcodec/g2meet.c in FFmpeg before 2.1 uses an incorrect ordering of arithmetic operations which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Go2Webinar data.

Reference

http://ffmpeg.org/security.html http://openwall.com/lists/oss-security/2013/11/26/7 http://openwall.com/lists/oss-security/2013/12/08/3 https://github.com/FFmpeg/FFmpeg/commit/821a5938d100458f4d09d634041b05c860554ce0 https://security.gentoo.org/glsa/201603-06 https://trac.ffmpeg.org/ticket/2922