gio/gsocketclient.c in GNOME GLib 2.59.2 does not ensure that a parent GTask remains alive during the execution of a connection-attempting enumeration, which allows remote attackers to cause a denial of service (g_socket_client_connected_callback mishandling and application crash) via a crafted web site, as demonstrated by GNOME Web (aka Epiphany). Upstream patch: https://gitlab.gnome.org/GNOME/glib/commit/d553d92d6e9f53cbe5a34166fcb919ba652c6a8e Upstream issue: https://gitlab.gnome.org/GNOME/glib/issues/1649
Created glib tracking bugs for this issue: Affects: epel-all [bug 1687807] Affects: fedora-all [bug 1687806] Created glib2 tracking bugs for this issue: Affects: fedora-all [bug 1687809] Created mingw-glib2 tracking bugs for this issue: Affects: epel-7 [bug 1687808] Affects: fedora-all [bug 1687810]
Statement: This issue affects the versions of glib2 as shipped with Red Hat Enterprise Linux 6 and 7. This issue did not affect the versions of glib and glib2 as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Moderate, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.