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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 13:52:13 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:17 +0200 |
| commit | 1e7874b0435dd9da87d329fada94a5d343c66638 (patch) | |
| tree | 9b3e85c8a8c7e3bb14a97853c58ea493f71c127d | |
| parent | 29f40cc2ac04054b534db798be5e0cb42277fcbc (diff) | |
| download | ffmpeg-1e7874b0435dd9da87d329fada94a5d343c66638.tar.gz | |
avcodec/jpeg2000dec: Check tile offsets more completely
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9c1812491f7be2730351969f4abd9b99d300d604)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/jpeg2000dec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 13f6bf302d..9e422cf675 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -269,7 +269,10 @@ static int get_siz(Jpeg2000DecoderContext *s) if (s->tile_offset_x < 0 || s->tile_offset_y < 0 || s->image_offset_x < s->tile_offset_x || - s->image_offset_y < s->tile_offset_y) { + s->image_offset_y < s->tile_offset_y || + s->tile_width + (int64_t)s->tile_offset_x <= s->image_offset_x || + s->tile_height + (int64_t)s->tile_offset_y <= s->image_offset_y + ) { av_log(s->avctx, AV_LOG_ERROR, "Tile offsets are invalid\n"); return AVERROR_INVALIDDATA; } |