X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fkgv1dec.c;h=a6bd9400ac16fe93bd2a1758ee9a8977610acc30;hb=e836a0b3fd6943f77f54d65ee4ac1005e71d1162;hp=5359411c7619015b108cb40451393551f56154a8;hpb=d168ff70ea41234b01c21e2d19151e9db3a21f90;p=ffmpeg

diff --git a/libavcodec/kgv1dec.c b/libavcodec/kgv1dec.c
index 5359411c761..a6bd9400ac1 100644
--- a/libavcodec/kgv1dec.c
+++ b/libavcodec/kgv1dec.c
@@ -62,6 +62,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     h = (buf[1] + 1) * 8;
     buf += 2;
 
+    if (avpkt->size < 2 + w*h / 513)
+        return AVERROR_INVALIDDATA;
+
     if (w != avctx->width || h != avctx->height) {
         av_freep(&c->frame_buffer);
         av_freep(&c->last_frame_buffer);