{"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":"2026-04-22T09:33:38.226204Z","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_version":"2.0.21-stable-1ubuntu1.14.04.2","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"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}],"id":"CVE-2016-10195"},{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}],"id":"CVE-2016-10196"},{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"low"}],"id":"CVE-2016-10197"}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3228-1.json"}},{"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_version":"2.0.21-stable-2ubuntu0.16.04.1","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"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}],"id":"CVE-2016-10195"},{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}],"id":"CVE-2016-10196"},{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"low"}],"id":"CVE-2016-10197"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3228-1.json"}}],"schema_version":"1.7.5"}