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Commit dde5f4af authored by Francois Cartegnie's avatar Francois Cartegnie
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demux: libavi: fix heap write ofw

parent cd87a5a9
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Showing with 3 additions and 2 deletions
modules/demux/avi/libavi.c
View file @ dde5f4af
......@@ -460,9 +460,10 @@ static int AVI_ChunkRead_strf( stream_t *s, avi_chunk_t *p_chk )
{
p_chk->strf.vids.p_bih->biSize = p_chk->common.i_chunk_size;
}
uint64_t i_extrasize = p_chk->common.i_chunk_size - sizeof(VLC_BITMAPINFOHEADER);
if( i_extrasize > 0 )
if ( p_chk->common.i_chunk_size > sizeof(VLC_BITMAPINFOHEADER) )
{
uint64_t i_extrasize = p_chk->common.i_chunk_size - sizeof(VLC_BITMAPINFOHEADER);
/* There's a color palette appended, set up VLC_BITMAPINFO */
memcpy( &p_chk->strf.vids.p_bih[1],
p_buff + 8 + sizeof(VLC_BITMAPINFOHEADER), /* 8=fourrc+size */
......
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