{"id":"USN-5222-1","summary":"apache-log4j2 vulnerabilities","details":"It was discovered that Apache Log4j 2 was vulnerable to remote code\nexecution (RCE) attack when configured to use a JDBC Appender with a\nJNDI LDAP data source URI. A remote attacker could possibly use this issue to\ncause a crash, leading to a denial of service. (CVE-2021-44832)\n\nHideki Okamoto and Guy Lederfein discovered that Apache Log4j 2 did not\nprotect against infinite recursion in lookup evaluation. A remote attacker\ncould possibly use this issue to cause Apache Log4j 2 to crash, leading to\na denial of service. This issue only affected Ubuntu 18.04 LTS.\n(CVE-2021-45105)\n","modified":"2026-04-27T16:02:35.371475Z","published":"2022-01-11T20:42:28Z","related":["UBUNTU-CVE-2021-44832","UBUNTU-CVE-2021-45105"],"upstream":["CVE-2021-44832","CVE-2021-45105","UBUNTU-CVE-2021-44832","UBUNTU-CVE-2021-45105"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5222-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-44832"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-45105"}],"affected":[{"package":{"name":"apache-log4j2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apache-log4j2@2.12.4-0ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.4-0ubuntu0.1"}]}],"versions":["2.8.2-1","2.8.2-2","2.10.0-1","2.10.0-2","2.10.0-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"liblog4j2-java","binary_version":"2.12.4-0ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2021-44832","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-45105","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5222-1.json"}},{"package":{"name":"apache-log4j2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache-log4j2@2.17.1-0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.17.1-0.20.04.1"}]}],"versions":["2.11.1-2","2.11.2-1","2.15.0-0.20.04.1","2.16.0-0.20.04.1","2.17.0-0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"liblog4j2-java","binary_version":"2.17.1-0.20.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-44832","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5222-1.json"}}],"schema_version":"1.7.5"}