avformat/hcom: check probe buffer size

6 years ago · 282a471857
parent 51978aefe8
commit 282a471857
1 changed files with 2 additions and 0 deletions
--- a/libavformat/hcom.c
+++ b/libavformat/hcom.c
@ -27,6 +27,8 @@

 static int hcom_probe(AVProbeData *p)
 {
+    if (p->buf_size < 132)
+        return 0;
    if (!memcmp(p->buf+65, "FSSD", 4) &&
        !memcmp(p->buf+128, "HCOM", 4))
        return AVPROBE_SCORE_MAX;