gstreamer-*: 1.10.2 -> 1.10.3 for multiple CVEs

gst-plugins-bad:
From the Arch Linux advisory:
 - CVE-2017-5843 (arbitrary code execution): A double-free issue has
 been found in gstreamer before 1.10.3, in
 gst_mxf_demux_update_essence_tracks.

- CVE-2017-5848 (denial of service): An out-of-bounds read has been
  found in gstreamer before 1.10.3, in gst_ps_demux_parse_psm.
More: https://lwn.net/Vulnerabilities/713772/

gst-plugins-base:
From the Arch Linux advisory:

- CVE-2017-5837 (denial of service): A floating point exception issue
  has been found in gstreamer before 1.10.3, in
  gst_riff_create_audio_caps.

- CVE-2017-5839 (denial of service): An endless recursion issue
  leading to stack overflow has been found in gstreamer before 1.10.3,
  in gst_riff_create_audio_caps.

- CVE-2017-5842 (arbitrary code execution): An off-by-one write has
  been found in gstreamer before 1.10.3, in
  html_context_handle_element.

- CVE-2017-5844 (denial of service): A floating point exception issue
  has been found in gstreamer before 1.10.3, in
  gst_riff_create_audio_caps.
More: https://lwn.net/Vulnerabilities/713773/

gst-plugins-good:
From the Arch Linux advisory:

- CVE-2016-10198 (denial of service): An invalid memory read flaw has
  been found in gstreamer before 1.10.3, in
  gst_aac_parse_sink_setcaps.

- CVE-2016-10199 (denial of service): An out of bounds read has been
  found in gstreamer before 1.10.3, in qtdemux_tag_add_str_full.

- CVE-2017-5840 (denial of service): An out-of-bounds read has been
  found in gstreamer before 1.10.3, in qtdemux_parse_samples.

- CVE-2017-5841 (denial of service): An out-of-bounds read has been
  found in gstreamer before 1.10.3, in gst_avi_demux_parse_ncdt.

- CVE-2017-5845 (denial of service): An out-of-bounds read has been
  found in gstreamer before 1.10.3, in gst_avi_demux_parse_ncdt.
More: https://lwn.net/Vulnerabilities/713774/

gst-plugins-ugly:
From the Arch Linux advisory:

- CVE-2017-5846 (denial of service): An out-of-bounds read has been
  found in gstreamer before 1.10.3, in
  gst_asf_demux_process_ext_stream_props.

- CVE-2017-5847 (denial of service): An out-of-bounds read has been
  found in gstreamer before 1.10.3, in
  gst_asf_demux_process_ext_content_desc.
More: https://lwn.net/Vulnerabilities/713775/

gstreamer:
From the Arch Linux advisory:

An out of bounds read has been found in gstreamer before 1.10.3, in
gst_date_time_new_from_iso8601_string.
More: https://lwn.net/Vulnerabilities/713776/

pkgs/development/libraries/gstreamer/libav/default.nix

@@ -9,7 +9,7 @@
 assert withSystemLibav -> libav != null;
 
 stdenv.mkDerivation rec {
-  name = "gst-libav-1.10.2";
+  name = "gst-libav-1.10.3";
 
   meta = {
     homepage = "http://gstreamer.freedesktop.org";
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "${meta.homepage}/src/gst-libav/${name}.tar.xz";
-    sha256 = "0g778j7w4vpbhwjzyrzpajvr26nxm6vqby84v8g1w1hz44v71pd3";
+    sha256 = "1aajayv63ardkbmcg7pnh2d87r067325a5wzinwihaw6n5jw2sws";
   };
 
   outputs = [ "out" "dev" ];