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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-12-24 05:06:20 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-12-24 18:42:55 +0100 |
| commit | 3eedf9f716733b3b4c5205726d2c1ca52b3d3d78 (patch) | |
| tree | d25f9c2beac278815c0d828d67d7ad660bf40d48 /libavcodec/j2kdec.c | |
| parent | 3132999fdb57d8d3ba5e08a4dc1b3661e885c04d (diff) | |
| download | ffmpeg-3eedf9f716733b3b4c5205726d2c1ca52b3d3d78.tar.gz | |
j2kdec: Check curtileno for validity
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/j2kdec.c')
| -rw-r--r-- | libavcodec/j2kdec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/j2kdec.c b/libavcodec/j2kdec.c index c8dabc0bde..4e11030cb8 100644 --- a/libavcodec/j2kdec.c +++ b/libavcodec/j2kdec.c @@ -427,6 +427,10 @@ static uint8_t get_sot(J2kDecoderContext *s) return AVERROR(EINVAL); s->curtileno = bytestream_get_be16(&s->buf); ///< Isot + if((unsigned)s->curtileno >= s->numXtiles * s->numYtiles){ + s->curtileno=0; + return AVERROR(EINVAL); + } s->buf += 4; ///< Psot (ignored) |