diff --git a/3rdparty/ffmpeg/libavformat/nsvdec.c b/3rdparty/ffmpeg/libavformat/nsvdec.c
index 95fab644..b8353a7b 100644
--- a/3rdparty/ffmpeg/libavformat/nsvdec.c
+++ b/3rdparty/ffmpeg/libavformat/nsvdec.c
@@ -350,9 +350,12 @@ static int nsv_parse_NSVf_header(AVFormatContext *s)
         if (!nsv->nsvs_file_offset)
             return AVERROR(ENOMEM);
 
-        for(i=0;i<table_entries_used;i++)
+        for(i=0;i<table_entries_used;i++) {
+            if (avio_feof(pb))
+                return AVERROR_INVALIDDATA;
             nsv->nsvs_file_offset[i] = avio_rl32(pb) + size;
-
+        }
+        
         if(table_entries > table_entries_used &&
            avio_rl32(pb) == MKTAG('T','O','C','2')) {
             nsv->nsvs_timestamps = av_malloc_array((unsigned)table_entries_used, sizeof(uint32_t));