USN-3969-1 fixed a vulnerability in wpa_supplicant and hostapd. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that wpa_supplicant and hostapd incorrectly handled unexpected fragments when using EAP-pwd. A remote attacker could possibly use this issue to cause a denial of service.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "hostapd", "binary_version": "2.1-0ubuntu1.7+esm1" }, { "binary_name": "wpagui", "binary_version": "2.1-0ubuntu1.7+esm1" }, { "binary_name": "wpasupplicant-udeb", "binary_version": "2.1-0ubuntu1.7+esm1" }, { "binary_name": "wpasupplicant", "binary_version": "2.1-0ubuntu1.7+esm1" } ] }