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.
References
- https://trac.ffmpeg.org/ticket/2922
- GLSA-201603-06 vendor-advisory
- http://ffmpeg.org/security.html
- [oss-security] 20131208 Re: CVE Request: FFmpeg 2.1 multiple problems mailing-list
- https://github.com/FFmpeg/FFmpeg/commit/821a5938d100458f4d09d634041b05c860554ce0
- [oss-security] 20131126 CVE Request: FFmpeg 2.1 multiple problems mailing-list