{"id":"USN-4204-1","summary":"python-psutil vulnerability","details":"Riccardo Schirone discovered that psutil incorrectly handled certain\nreference counting operations. An attacker could use this issue to cause\npsutil to crash, resulting in a denial of service, or possibly execute\narbitrary code.\n","modified":"2026-02-10T04:41:42Z","published":"2019-11-28T12:44:01Z","related":["UBUNTU-CVE-2019-18874"],"upstream":["CVE-2019-18874","UBUNTU-CVE-2019-18874"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4204-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-18874"}],"affected":[{"package":{"name":"python-psutil","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-psutil@3.4.2-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-1ubuntu0.1"}]}],"versions":["2.2.1-3","3.4.1-1","3.4.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.4.2-1ubuntu0.1","binary_name":"python-psutil"},{"binary_version":"3.4.2-1ubuntu0.1","binary_name":"python3-psutil"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4204-1.json","cves_map":{"cves":[{"id":"CVE-2019-18874","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":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"python-psutil","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python-psutil@5.4.2-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.2-1ubuntu0.1"}]}],"versions":["5.0.1-1build2","5.4.1-1","5.4.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.4.2-1ubuntu0.1","binary_name":"python-psutil"},{"binary_version":"5.4.2-1ubuntu0.1","binary_name":"python3-psutil"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4204-1.json","cves_map":{"cves":[{"id":"CVE-2019-18874","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":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.3"}