diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-05-28 19:04:38 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-05-28 19:24:13 +0400 |
| commit | 01900fcc45e99ee4556e0a5d87ff57b2f150dad4 (patch) | |
| tree | 5573d56290e030dc1ae1038cad61c6807fd31511 /libavcodec/xan.c | |
| parent | 1e5c7376c4ed733910845c9a09e272ac7696b1f4 (diff) | |
xan: fix out of array read
Fixes ticket1360
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/xan.c')
| -rw-r--r-- | libavcodec/xan.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/xan.c b/libavcodec/xan.c index 155dee9595..b39290aedf 100644 --- a/libavcodec/xan.c +++ b/libavcodec/xan.c @@ -517,6 +517,10 @@ static int xan_decode_frame(AVCodecContext *avctx, int i; tag = bytestream_get_le32(&buf); size = bytestream_get_be32(&buf); + if(size < 0) { + av_log(avctx, AV_LOG_ERROR, "Invalid tag size %d\n", size); + return AVERROR_INVALIDDATA; + } size = FFMIN(size, buf_end - buf); switch (tag) { case PALT_TAG: |