{"id":"USN-4734-2","summary":"wpa vulnerabilities","details":"USN-4734-1 fixed several vulnerabilities in wpa_supplicant. This\nupdate provides the corresponding update for Ubuntu 14.04 ESM.\n\nIt was discovered that wpa_supplicant did not properly handle P2P\n(Wi-Fi Direct) group information in some situations, leading to a\nheap overflow. A physically proximate attacker could use this to cause a\ndenial of service or possibly execute arbitrary code. (CVE-2021-0326)\n\nIt was discovered that hostapd did not properly handle UPnP subscribe\nmessages in some circumstances. An attacker could use this to cause a\ndenial of service. (CVE-2020-12695)\n","modified":"2026-04-27T16:03:35.073227376Z","published":"2021-02-16T21:33:59Z","related":["UBUNTU-CVE-2020-12695","UBUNTU-CVE-2021-0326"],"upstream":["CVE-2020-12695","CVE-2021-0326","UBUNTU-CVE-2020-12695","UBUNTU-CVE-2021-0326"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4734-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12695"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-0326"}],"affected":[{"package":{"name":"wpa","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/wpa@2.1-0ubuntu1.7+esm3?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1-0ubuntu1.7+esm3"}]}],"versions":["1.0-3ubuntu2","1.0-3ubuntu3","1.0-3ubuntu4","2.1-0ubuntu1","2.1-0ubuntu1.1","2.1-0ubuntu1.2","2.1-0ubuntu1.3","2.1-0ubuntu1.4","2.1-0ubuntu1.5","2.1-0ubuntu1.6","2.1-0ubuntu1.7","2.1-0ubuntu1.7+esm1","2.1-0ubuntu1.7+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1:2.1-0ubuntu1.7+esm3","binary_name":"hostapd"},{"binary_version":"2.1-0ubuntu1.7+esm3","binary_name":"wpagui"},{"binary_version":"2.1-0ubuntu1.7+esm3","binary_name":"wpasupplicant"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12695"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2021-0326"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4734-2.json"}}],"schema_version":"1.7.5"}