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vlc-2-2
Commit 1bce4064 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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real: fix heap buffer overflow (CVE-2011-2587)

parent 3799b698
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Showing with 2 additions and 2 deletions
modules/demux/real.c
View file @ 1bce4064
......@@ -840,7 +840,8 @@ static void DemuxAudioSipr( demux_t *p_demux, real_track_t *tk, mtime_t i_pts )
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block = tk->p_sipr_packet;
if( p_sys->i_buffer < tk->i_frame_size )
if( p_sys->i_buffer < tk->i_frame_size
|| tk->i_sipr_subpacket_count >= tk->i_subpacket_h )
return;
if( !p_block )
......@@ -850,7 +851,6 @@ static void DemuxAudioSipr( demux_t *p_demux, real_track_t *tk, mtime_t i_pts )
return;
tk->p_sipr_packet = p_block;
}
memcpy( p_block->p_buffer + tk->i_sipr_subpacket_count * tk->i_frame_size,
p_sys->buffer, tk->i_frame_size );
if (!tk->i_sipr_subpacket_count)
......
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