utvideodec: Handle slice_height being zero
authorMichael Niedermayer <michaelni@gmx.at>
Wed, 4 Mar 2015 17:36:14 +0000 (17:36 +0000)
committerLuca Barbato <lu_zero@gentoo.org>
Sun, 8 Mar 2015 23:51:48 +0000 (00:51 +0100)
commit3a417a86b330b7c1acf9db4f729be7d619caaded
tree1a8f52bbc47af5a7472a1c757d76f241ee5fb543
parenta73b2c288e3dace6e054a5b48640978be1d5df84
utvideodec: Handle slice_height being zero

Fixes out of array accesses.

CC: libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Bug-Id: CVE-2014-9604
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit 0ce3a0f9d9523a9bcad4c6d451ca5bbd7a4f420d)
libavcodec/utvideodec.c