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| author | Paul B Mahol <onemda@gmail.com> | 2013-02-24 14:10:20 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2013-02-24 14:27:39 +0000 |
| commit | 7b12554c5abca0eb63ddbdfdf6f11c76b9230a0c (patch) | |
| tree | 9a7ddb770e784d6f659eba7941c10360f6d62fcd /libavcodec/exr.c | |
| parent | 74a78bfe6c1bc0f5b9d34979fc081dcb75c0ae03 (diff) | |
| download | ffmpeg-7b12554c5abca0eb63ddbdfdf6f11c76b9230a0c.tar.gz | |
exr: make sure that data_size is not bigger than expected
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/exr.c')
| -rw-r--r-- | libavcodec/exr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 59144a2d8d..cef5e0c612 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -270,7 +270,8 @@ static int decode_block(AVCodecContext *avctx, void *tdata, uncompressed_size = s->scan_line_size * FFMIN(s->scan_lines_per_block, s->ymax - line + 1); if ((s->compr == EXR_RAW && (data_size != uncompressed_size || line_offset > buf_size - uncompressed_size)) || - (s->compr != EXR_RAW && line_offset > buf_size - data_size)) { + (s->compr != EXR_RAW && (data_size > uncompressed_size || + line_offset > buf_size - data_size))) { return AVERROR_INVALIDDATA; } |