avformat/hcom: check probe buffer size

282a4718 · Paul B Mahol · 51978aef · 282a4718
Commit 282a4718 authored Jan 16, 2019 by Paul B Mahol
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hcom.c libavformat/hcom.c +2 -0

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--- 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;