X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpegaudiodecheader.h;h=1da2a4cb6f93e547a56d69ca2bb3acfeb783a96f;hb=781fc06f8e096d273d56cffb6a182da23f96e3c2;hp=1cb9216461ab03f810910547303d4b08d7776df7;hpb=b656fa710a34ec7c3b192c38344a2c470ff2eaf5;p=ffmpeg

diff --git a/libavcodec/mpegaudiodecheader.h b/libavcodec/mpegaudiodecheader.h
index 1cb9216461a..1da2a4cb6f9 100644
--- a/libavcodec/mpegaudiodecheader.h
+++ b/libavcodec/mpegaudiodecheader.h
@@ -62,6 +62,9 @@ static inline int ff_mpa_check_header(uint32_t header){
     /* header */
     if ((header & 0xffe00000) != 0xffe00000)
         return -1;
+    /* version check */
+    if ((header & (3<<19)) == 1<<19)
+        return -1;
     /* layer check */
     if ((header & (3<<17)) == 0)
         return -1;