{"id":"UBUNTU-CVE-2024-21742","details":"Improper input validation allows for header injection in MIME4J library when using MIME4J DOM for composing message. This can be exploited by an attacker to add unintended headers to MIME messages.","modified":"2026-05-20T16:16:32.558547407Z","published":"2024-02-27T17:15:00Z","upstream":["CVE-2024-21742"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-21742"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2024/02/27/5"},{"type":"REPORT","url":"https://github.com/apache/james-mime4j/commit/9dec5df2a588fed8027839815daefa79ee66efd1"},{"type":"REPORT","url":"https://github.com/apache/james-mime4j/pull/91"},{"type":"REPORT","url":"https://lists.apache.org/thread/nrqzg93219wdj056pqfszsd33dc54kfy"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-21742"}],"affected":[{"package":{"name":"apache-mime4j","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/apache-mime4j?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.2-3","0.7.2-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-mime4j-java","binary_version":"0.7.2-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-21742.json"}},{"package":{"name":"apache-mime4j","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apache-mime4j?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.2-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-mime4j-java","binary_version":"0.7.2-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-21742.json"}},{"package":{"name":"apache-mime4j","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache-mime4j?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-mime4j-java","binary_version":"0.8.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-21742.json"}},{"package":{"name":"apache-mime4j","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache-mime4j?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-mime4j-java","binary_version":"0.8.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-21742.json"}},{"package":{"name":"apache-mime4j","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/apache-mime4j?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.2-1","0.8.10-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-mime4j-java","binary_version":"0.8.10-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-21742.json"}},{"package":{"name":"apache-mime4j","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/apache-mime4j?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.12-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-mime4j-java","binary_version":"0.8.12-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-21742.json"}},{"package":{"name":"apache-mime4j","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/apache-mime4j?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.12-1","0.8.13-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.8.13-1","binary_name":"libapache-mime4j-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-21742.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}