{"id":"USN-5192-1","summary":"apache-log4j2 vulnerability","details":"Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run\nprograms via a special crafted input. An attacker could use this vulnerability\nto cause a denial of service or possibly execute arbitrary code.\nPlease see the following link for more information:\nhttps://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Log4Shell\n","modified":"2026-02-10T04:42:24Z","published":"2021-12-14T13:39:20Z","related":["UBUNTU-CVE-2021-44228"],"upstream":["CVE-2021-44228","UBUNTU-CVE-2021-44228"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5192-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-44228"}],"affected":[{"package":{"name":"apache-log4j2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apache-log4j2@2.10.0-2ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.0-2ubuntu0.1"}]}],"versions":["2.8.2-1","2.8.2-2","2.10.0-1","2.10.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.10.0-2ubuntu0.1","binary_name":"liblog4j2-java"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5192-1.json","cves_map":{"cves":[{"id":"CVE-2021-44228","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"apache-log4j2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache-log4j2@2.15.0-0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.15.0-0.20.04.1"}]}],"versions":["2.11.1-2","2.11.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.15.0-0.20.04.1","binary_name":"liblog4j2-java"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5192-1.json","cves_map":{"cves":[{"id":"CVE-2021-44228","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}