The socket_create function in common/socket.c in libimobiledevice and libusbmuxd allows remote attackers to bypass intended access restrictions and communicate with services on iOS devices by connecting to an IPv4 TCP socket.
https://lists.debian.org/debian-lts-announce/2020/02/msg00028.html
https://lists.debian.org/debian-lts-announce/2020/02/msg00027.html
https://github.com/libimobiledevice/libusbmuxd/commit/4397b3376dc4e4cb1c991d0aed61ce6482614196
https://github.com/libimobiledevice/libimobiledevice/commit/df1f5c4d70d0c19ad40072f5246ca457e7f9849e
https://bugzilla.redhat.com/show_bug.cgi?id=1339988
http://www.ubuntu.com/usn/USN-3026-2
http://www.ubuntu.com/usn/USN-3026-1
http://www.openwall.com/lists/oss-security/2016/05/26/6
http://www.openwall.com/lists/oss-security/2016/05/26/1
http://lists.opensuse.org/opensuse-updates/2016-06/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00042.html