diff options
Diffstat (limited to 'gst-libs/ext/libav/libavcodec/smacker.c')
-rw-r--r-- | gst-libs/ext/libav/libavcodec/smacker.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gst-libs/ext/libav/libavcodec/smacker.c b/gst-libs/ext/libav/libavcodec/smacker.c index a72d7c5..2baf059 100644 --- a/gst-libs/ext/libav/libavcodec/smacker.c +++ b/gst-libs/ext/libav/libavcodec/smacker.c @@ -257,6 +257,12 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int if(ctx.last[0] == -1) ctx.last[0] = huff.current++; if(ctx.last[1] == -1) ctx.last[1] = huff.current++; if(ctx.last[2] == -1) ctx.last[2] = huff.current++; + if (ctx.last[0] >= huff.length || + ctx.last[1] >= huff.length || + ctx.last[2] >= huff.length) { + av_log(smk->avctx, AV_LOG_ERROR, "Huffman codes out of range\n"); + err = AVERROR_INVALIDDATA; + } *recodes = huff.values; |