{"id":"UBUNTU-CVE-2015-4141","details":"The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.","modified":"2026-01-30T01:21:04.330953Z","published":"2015-06-01T00:00:00Z","related":["USN-2650-1"],"upstream":["CVE-2015-4141"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-4141"},{"type":"REPORT","url":"http://w1.fi/security/2015-2/"},{"type":"REPORT","url":"http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2015/05/09/4"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2650-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-4141"}],"affected":[{"package":{"name":"wpa","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/wpa@2.1-0ubuntu1.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1-0ubuntu1.3"}]}],"versions":["1.0-3ubuntu2","1.0-3ubuntu3","1.0-3ubuntu4","2.1-0ubuntu1","2.1-0ubuntu1.1","2.1-0ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.1-0ubuntu1.3","binary_name":"hostapd"},{"binary_version":"2.1-0ubuntu1.3","binary_name":"wpagui"},{"binary_version":"2.1-0ubuntu1.3","binary_name":"wpasupplicant"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-4141.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}