vlc | branch: master | Francois Cartegnie <[email protected]> | Thu Mar 30 15:05:31 2017 +0200| [4faf56ffa57e2a1da825839e791609fe53de80dd] | committer: Francois Cartegnie
packetizer: mpeg4video: check for oob read > http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=4faf56ffa57e2a1da825839e791609fe53de80dd --- modules/packetizer/mpeg4video.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/modules/packetizer/mpeg4video.c b/modules/packetizer/mpeg4video.c index b6cd010..6932660 100644 --- a/modules/packetizer/mpeg4video.c +++ b/modules/packetizer/mpeg4video.c @@ -285,6 +285,9 @@ static block_t *ParseMPEGBlock( decoder_t *p_dec, block_t *p_frag ) decoder_sys_t *p_sys = p_dec->p_sys; block_t *p_pic = NULL; + if( p_frag->i_buffer < 4 ) + return p_frag; + const uint32_t i_startcode = GetDWBE( p_frag->p_buffer ); if( i_startcode == VISUAL_OBJECT_SEQUENCE_START_CODE || i_startcode == VISUAL_OBJECT_SEQUENCE_END_CODE || _______________________________________________ vlc-commits mailing list [email protected] https://mailman.videolan.org/listinfo/vlc-commits
