diff options
-rw-r--r-- | libavcodec/tiff.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 3b5985ed1e..5bdcac2006 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -1858,6 +1858,8 @@ again: } if (is_dng) { + int bps; + if (s->white_level == 0) s->white_level = (1 << s->bpp) - 1; /* Default value as per the spec */ @@ -1866,6 +1868,12 @@ again: s->black_level, s->white_level); return AVERROR_INVALIDDATA; } + + if (s->bpp % s->bppcount) + return AVERROR_INVALIDDATA; + bps = s->bpp / s->bppcount; + if (bps < 8 || bps > 32) + return AVERROR_INVALIDDATA; } if (!s->is_tiled && !s->strippos && !s->stripoff) { |