avcodec/bmp_parser: Check fsize

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/bmp_parser: Check fsize
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
43a4276c · Michael Niedermayer · 37005e65 · 43a4276c
Commit 43a4276c authored Jun 06, 2016 by Michael Niedermayer
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bmp_parser.c libavcodec/bmp_parser.c +2 -1

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--- a/libavcodec/bmp_parser.c
+++ b/libavcodec/bmp_parser.c
@@ -53,7 +53,8 @@ restart:
            if (bpc->pc.frame_start_found == 0) {
                if ((state >> 48) == (('B' << 8) | 'M')) {
                    bpc->fsize = av_bswap32(state >> 16);
-                    bpc->pc.frame_start_found = 1;
+                    if (bpc->fsize > 17)
+                        bpc->pc.frame_start_found = 1;
                }
            } else if (bpc->pc.frame_start_found == 2+4+4) {
 //                 unsigned hsize = av_bswap32(state>>32);