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rtpvp8: Reject unknown bitstream versions
author
Olivier Crête
<olivier.crete@collabora.com>
Tue, 12 Jul 2011 22:03:53 +0000
(18:03 -0400)
committer
Olivier Crête
<olivier.crete@collabora.com>
Tue, 12 Jul 2011 22:03:53 +0000
(18:03 -0400)
gst/rtpvp8/gstrtpvp8pay.c
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diff --git
a/gst/rtpvp8/gstrtpvp8pay.c
b/gst/rtpvp8/gstrtpvp8pay.c
index
b54ec28
..
c6c773d
100644
(file)
--- a/
gst/rtpvp8/gstrtpvp8pay.c
+++ b/
gst/rtpvp8/gstrtpvp8pay.c
@@
-141,6
+141,11
@@
gst_rtp_vp8_pay_parse_frame (GstRtpVP8Pay * self, GstBuffer * buffer)
self->is_keyframe = keyframe = ((data[0] & 0x1) == 0);
version = (data[0] >> 1) & 0x7;
+ if (G_UNLIKELY (version > 3)) {
+ GST_ERROR_OBJECT (self, "Unknown VP8 version %u", version);
+ goto error;
+ }
+
/* keyframe, version and show_frame use 5 bits */
header_size = data[2] << 11 | data[1] << 3 | (data[0] >> 5);