diff --git a/libavcodec/prores_raw.c b/libavcodec/prores_raw.c
index 01f1bbd2fb..8be566ed36 100644
--- a/libavcodec/prores_raw.c
+++ b/libavcodec/prores_raw.c
@@ -360,7 +360,7 @@ static int decode_frame(AVCodecContext *avctx,
         return AVERROR_INVALIDDATA;
 
     int header_len = bytestream2_get_be16(&gb);
-    if (header_len < 62)
+    if (header_len < 62 || bytestream2_get_bytes_left(&gb) < header_len - 2)
         return AVERROR_INVALIDDATA;
 
     GetByteContext gb_hdr;