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-rw-r--r--libavcodec/zmbv.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/zmbv.c b/libavcodec/zmbv.c
index 0b38926..65fa5ff 100644
--- a/libavcodec/zmbv.c
+++ b/libavcodec/zmbv.c
@@ -499,8 +499,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
}
if (c->comp == 0) { //Uncompressed data
+ if (c->decomp_size < len) {
+ av_log(avctx, AV_LOG_ERROR, "Buffer too small\n");
+ return AVERROR_INVALIDDATA;
+ }
memcpy(c->decomp_buf, buf, len);
- c->decomp_size = 1;
} else { // ZLIB-compressed data
c->zstream.total_in = c->zstream.total_out = 0;
c->zstream.next_in = buf;
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