Heap-based buffer overflow in libavformat/http.c in FFmpeg before 2.8.10, 3.0.x...

Vulnerability Description

Heap-based buffer overflow in libavformat/http.c in FFmpeg before 2.8.10, 3.0.x before 3.0.5, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 allows remote web servers to execute arbitrary code via a negative chunk size in an HTTP response.

References

• https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
• http://www.openwall.com/lists/oss-security/2017/01/31/12
• http://www.openwall.com/lists/oss-security/2017/02/02/1
• https://github.com/FFmpeg/FFmpeg/commit/2a05c8f813de6f2278827734bf8102291e7484aa
• https://trac.ffmpeg.org/ticket/5992
• http://www.securityfocus.com/bid/95986
• https://ffmpeg.org/security.html