{"id":"USN-3228-1","summary":"libevent vulnerabilities","details":"Guido Vranken discovered that libevent incorrectly handled memory when\nprocessing certain data. A remote attacker could possibly use this issue\nwith an application that uses libevent to cause a denial of service, or\npossibly execute arbitrary code.\n","modified":"2026-04-22T09:33:36.317611Z","published":"2017-03-13T16:48:55Z","related":["UBUNTU-CVE-2016-10195","UBUNTU-CVE-2016-10196","UBUNTU-CVE-2016-10197"],"upstream":["CVE-2016-10195","CVE-2016-10196","CVE-2016-10197","UBUNTU-CVE-2016-10195","UBUNTU-CVE-2016-10196","UBUNTU-CVE-2016-10197"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3228-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-10195"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-10196"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-10197"}],"affected":[{"package":{"name":"libevent","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libevent@2.0.21-stable-1ubuntu1.14.04.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.21-stable-1ubuntu1.14.04.2"}]}],"versions":["2.0.21-stable-1","2.0.21-stable-1ubuntu1","2.0.21-stable-1ubuntu1.14.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libevent-2.0-5","binary_version":"2.0.21-stable-1ubuntu1.14.04.2"},{"binary_name":"libevent-core-2.0-5","binary_version":"2.0.21-stable-1ubuntu1.14.04.2"},{"binary_name":"libevent-extra-2.0-5","binary_version":"2.0.21-stable-1ubuntu1.14.04.2"},{"binary_name":"libevent-openssl-2.0-5","binary_version":"2.0.21-stable-1ubuntu1.14.04.2"},{"binary_name":"libevent-pthreads-2.0-5","binary_version":"2.0.21-stable-1ubuntu1.14.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3228-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"id":"CVE-2016-10195","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2016-10196","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2016-10197","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]}}},{"package":{"name":"libevent","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libevent@2.0.21-stable-2ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.21-stable-2ubuntu0.16.04.1"}]}],"versions":["2.0.21-stable-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libevent-2.0-5","binary_version":"2.0.21-stable-2ubuntu0.16.04.1"},{"binary_name":"libevent-core-2.0-5","binary_version":"2.0.21-stable-2ubuntu0.16.04.1"},{"binary_name":"libevent-extra-2.0-5","binary_version":"2.0.21-stable-2ubuntu0.16.04.1"},{"binary_name":"libevent-openssl-2.0-5","binary_version":"2.0.21-stable-2ubuntu0.16.04.1"},{"binary_name":"libevent-pthreads-2.0-5","binary_version":"2.0.21-stable-2ubuntu0.16.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3228-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2016-10195","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2016-10196","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2016-10197","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.5"}