@@ 1,96 0,0 @@
-Fix CVE-2016-4994:
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4994
-
-Copied from upstream repository:
-https://git.gnome.org/browse/gimp/patch/?id=e82aaa4b4ee0703c879e35ea9321fff6be3e9b6f
-
-From e82aaa4b4ee0703c879e35ea9321fff6be3e9b6f Mon Sep 17 00:00:00 2001
-From: Shmuel H <shmuelgimp@gmail.com>
-Date: Mon, 20 Jun 2016 17:14:41 +0300
-Subject: Bug 767873 - (CVE-2016-4994) Multiple Use-After-Free when parsing...
-
-...XCF channel and layer properties
-
-The properties PROP_ACTIVE_LAYER, PROP_FLOATING_SELECTION,
-PROP_ACTIVE_CHANNEL saves the current object pointer the @info
-structure. Others like PROP_SELECTION (for channel) and
-PROP_GROUP_ITEM (for layer) will delete the current object and create
-a new object, leaving the pointers in @info invalid (dangling).
-
-Therefore, if a property from the first type will come before the
-second, the result will be an UaF in the last lines of xcf_load_image
-(when it actually using the pointers from @info).
-
-I wasn't able to exploit this bug because that
-g_object_instance->c_class gets cleared by the last g_object_unref and
-GIMP_IS_{LAYER,CHANNEL} detects that and return FALSE.
-
-(cherry picked from commit 6d804bf9ae77bc86a0a97f9b944a129844df9395)
----
- app/xcf/xcf-load.c | 29 +++++++++++++++++++++++++++++
- 1 file changed, 29 insertions(+)
-
-diff --git a/app/xcf/xcf-load.c b/app/xcf/xcf-load.c
-index b180377..67cc6d4 100644
---- a/app/xcf/xcf-load.c
-+++ b/app/xcf/xcf-load.c
-@@ -904,6 +904,18 @@ xcf_load_layer_props (XcfInfo    *info,
-         case PROP_GROUP_ITEM:
-           {
-             GimpLayer *group;
-+            gboolean   is_active_layer;
-+
-+            /* We're going to delete *layer, Don't leave its pointers
-+             * in @info.  After that, we'll restore them back with the
-+             * new pointer. See bug #767873.
-+             */
-+            is_active_layer = (*layer == info->active_layer);
-+            if (is_active_layer)
-+              info->active_layer = NULL;
-+
-+            if (*layer == info->floating_sel)
-+              info->floating_sel = NULL;
- 
-             group = gimp_group_layer_new (image);
- 
-@@ -916,6 +928,13 @@ xcf_load_layer_props (XcfInfo    *info,
-             g_object_ref_sink (*layer);
-             g_object_unref (*layer);
-             *layer = group;
-+
-+            if (is_active_layer)
-+              info->active_layer = *layer;
-+
-+            /* Don't restore info->floating_sel because group layers
-+             * can't be floating selections
-+             */
-           }
-           break;
- 
-@@ -986,6 +1005,12 @@ xcf_load_channel_props (XcfInfo      *info,
-           {
-             GimpChannel *mask;
- 
-+            /* We're going to delete *channel, Don't leave its pointer
-+             * in @info. See bug #767873.
-+             */
-+            if (*channel == info->active_channel)
-+              info->active_channel = NULL;
-+
-             mask =
-               gimp_selection_new (image,
-                                   gimp_item_get_width  (GIMP_ITEM (*channel)),
-@@ -1000,6 +1025,10 @@ xcf_load_channel_props (XcfInfo      *info,
-             *channel = mask;
-             (*channel)->boundary_known = FALSE;
-             (*channel)->bounds_known   = FALSE;
-+
-+            /* Don't restore info->active_channel because the
-+             * selection can't be the active channel
-+             */
-           }
-           break;
- 
--- 
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