X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmagicyuv.c;h=1a129c26198af3645bedbccd647fed2ecf063012;hb=7f22a4ebc97817fd0968f5ea8295c9a59a6292e0;hp=9c6e1ba1b14839b6f74f41d3e7656478d9dc212d;hpb=0dc11d8bbd470db89fbc17b7434e992c9129b310;p=ffmpeg

diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c
index 9c6e1ba1b14..1a129c26198 100644
--- a/libavcodec/magicyuv.c
+++ b/libavcodec/magicyuv.c
@@ -240,6 +240,8 @@ static int magy_decode_slice10(AVCodecContext *avctx, void *tdata,
 
         dst = (uint16_t *)p->data[i] + j * sheight * stride;
         if (flags & 1) {
+            if (get_bits_left(&gb) < bps * width * height)
+                return AVERROR_INVALIDDATA;
             for (k = 0; k < height; k++) {
                 for (x = 0; x < width; x++)
                     dst[x] = get_bits(&gb, bps);
@@ -368,6 +370,8 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
 
         dst = p->data[i] + j * sheight * stride;
         if (flags & 1) {
+            if (get_bits_left(&gb) < 8* width * height)
+                return AVERROR_INVALIDDATA;
             for (k = 0; k < height; k++) {
                 for (x = 0; x < width; x++)
                     dst[x] = get_bits(&gb, 8);