mpeg12: do not decode extradata more than once.
authorAnton Khirnov <anton@khirnov.net>
Thu, 13 Dec 2012 16:53:31 +0000 (17:53 +0100)
committerAnton Khirnov <anton@khirnov.net>
Wed, 19 Dec 2012 21:32:54 +0000 (22:32 +0100)
commit582368626188c070d4300913c6da5efa4c24cfb2
tree8a771209f80fe16a9d19dc82239988dc55db7f35
parentc661cb6672af5ebcb900ec8766b24761bd2ab011
mpeg12: do not decode extradata more than once.

Fixes CVE-2012-2803.

CC: libav-stable@libav.org
libavcodec/mpeg12.c
libavcodec/mpeg12.h