ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Oct 26 00:11:52 2016 +0200| [37ff66d1bde72f7fa89cd5c606d7288fb445852e] | committer: Michael Niedermayer
avcodec/dvdsubdec: Fix off by 1 error Fixes out of array read Found-by: Thomas Garnier using libFuzzer Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit c92f55847a3d9cd12db60bfcd0831ff7f089c37c) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=37ff66d1bde72f7fa89cd5c606d7288fb445852e --- libavcodec/dvdsubdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c index 783a24f..4ae63b4 100644 --- a/libavcodec/dvdsubdec.c +++ b/libavcodec/dvdsubdec.c @@ -185,7 +185,7 @@ static void guess_palette(DVDSubContext* ctx, for(i = 0; i < 4; i++) { if (alpha[i] != 0) { if (!color_used[colormap[i]]) { - level = level_map[nb_opaque_colors][j]; + level = level_map[nb_opaque_colors - 1][j]; r = (((subtitle_color >> 16) & 0xff) * level) >> 8; g = (((subtitle_color >> 8) & 0xff) * level) >> 8; b = (((subtitle_color >> 0) & 0xff) * level) >> 8; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
