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typefind: bounds check windows ico detection

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Fixes out of bounds read

https://bugzilla.gnome.org/show_bug.cgi?id=774902
This commit is contained in:
Matthew Waters 2016-11-23 21:27:55 +11:00
parent c2dd0149c9
commit 2fdccfd64f
1 changed files with 2 additions and 0 deletions
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2
gst/typefind/gsttypefindfunctions.c
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@ -5224,6 +5224,8 @@ windows_icon_typefind (GstTypeFind * find, gpointer user_data)
gint32 size, offset; gint32 size, offset;
datalen = gst_type_find_get_length (find); datalen = gst_type_find_get_length (find);
if (datalen < 18)
return;
if ((data = gst_type_find_peek (find, 0, 6)) == NULL) if ((data = gst_type_find_peek (find, 0, 6)) == NULL)
return; return;