diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c
index bf3b1a1019..9e48ab4a25 100644
--- a/libavcodec/dvbsubdec.c
+++ b/libavcodec/dvbsubdec.c
@@ -24,6 +24,7 @@
 #include "bytestream.h"
 #include "internal.h"
 #include "libavutil/colorspace.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 
 #define DVBSUB_PAGE_SEGMENT     0x10
@@ -1242,6 +1243,7 @@ static int dvbsub_parse_region_segment(AVCodecContext *avctx,
     DVBSubObject *object;
     DVBSubObjectDisplay *display;
     int fill;
+    int ret;
 
     if (buf_size < 10)
         return AVERROR_INVALIDDATA;
@@ -1270,6 +1272,12 @@ static int dvbsub_parse_region_segment(AVCodecContext *avctx,
     region->height = AV_RB16(buf);
     buf += 2;
 
+    ret = av_image_check_size(region->width, region->height, 0, avctx);
+    if (ret < 0) {
+        region->width= region->height= 0;
+        return ret;
+    }
+
     if (region->width * region->height != region->buf_size) {
         av_free(region->pbuf);