{"id":"UBUNTU-CVE-2022-48521","details":"An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely on Authentication-Results from OpenDKIM will treat the message as having a valid DKIM signature when in fact it has none.","modified":"2026-01-20T17:31:21.631770Z","published":"2023-07-11T20:15:00Z","upstream":["CVE-2022-48521"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-48521"},{"type":"REPORT","url":"https://github.com/trusteddomainproject/OpenDKIM/issues/148"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-48521"}],"affected":[{"package":{"name":"opendkim","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/opendkim@2.10.3-3build1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.3-3build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.10.3-3build1","binary_name":"libopendkim-dev"},{"binary_version":"2.10.3-3build1","binary_name":"libopendkim10"},{"binary_version":"2.10.3-3build1","binary_name":"librbl-dev"},{"binary_version":"2.10.3-3build1","binary_name":"librbl1"},{"binary_version":"2.10.3-3build1","binary_name":"libvbr-dev"},{"binary_version":"2.10.3-3build1","binary_name":"libvbr2"},{"binary_version":"2.10.3-3build1","binary_name":"opendkim"},{"binary_version":"2.10.3-3build1","binary_name":"opendkim-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48521.json"}},{"package":{"name":"opendkim","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/opendkim@2.11.0~alpha-11build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~alpha-10","2.11.0~alpha-11","2.11.0~alpha-11build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.11.0~alpha-11build1","binary_name":"libopendkim-dev"},{"binary_version":"2.11.0~alpha-11build1","binary_name":"libopendkim11"},{"binary_version":"2.11.0~alpha-11build1","binary_name":"librbl-dev"},{"binary_version":"2.11.0~alpha-11build1","binary_name":"librbl1"},{"binary_version":"2.11.0~alpha-11build1","binary_name":"libvbr-dev"},{"binary_version":"2.11.0~alpha-11build1","binary_name":"libvbr2"},{"binary_version":"2.11.0~alpha-11build1","binary_name":"opendkim"},{"binary_version":"2.11.0~alpha-11build1","binary_name":"opendkim-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48521.json"}},{"package":{"name":"opendkim","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/opendkim@2.11.0~beta2-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~alpha-12","2.11.0~alpha-13","2.11.0~alpha-14","2.11.0~beta2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.11.0~beta2-1","binary_name":"libopendkim-dev"},{"binary_version":"2.11.0~beta2-1","binary_name":"libopendkim11"},{"binary_version":"2.11.0~beta2-1","binary_name":"librbl-dev"},{"binary_version":"2.11.0~beta2-1","binary_name":"librbl1"},{"binary_version":"2.11.0~beta2-1","binary_name":"libvbr-dev"},{"binary_version":"2.11.0~beta2-1","binary_name":"libvbr2"},{"binary_version":"2.11.0~beta2-1","binary_name":"opendkim"},{"binary_version":"2.11.0~beta2-1","binary_name":"opendkim-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48521.json"}},{"package":{"name":"opendkim","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/opendkim@2.11.0~beta2-6?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~beta2-4build1","2.11.0~beta2-5","2.11.0~beta2-6"],"ecosystem_specific":{"binaries":[{"binary_version":"2.11.0~beta2-6","binary_name":"libopendkim-dev"},{"binary_version":"2.11.0~beta2-6","binary_name":"libopendkim11"},{"binary_version":"2.11.0~beta2-6","binary_name":"librbl-dev"},{"binary_version":"2.11.0~beta2-6","binary_name":"librbl1"},{"binary_version":"2.11.0~beta2-6","binary_name":"libvbr-dev"},{"binary_version":"2.11.0~beta2-6","binary_name":"libvbr2"},{"binary_version":"2.11.0~beta2-6","binary_name":"miltertest"},{"binary_version":"2.11.0~beta2-6","binary_name":"opendkim"},{"binary_version":"2.11.0~beta2-6","binary_name":"opendkim-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48521.json"}},{"package":{"name":"opendkim","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/opendkim@2.11.0~beta2-9build4?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.0~beta2-8","2.11.0~beta2-9","2.11.0~beta2-9build3","2.11.0~beta2-9build4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.11.0~beta2-9build4","binary_name":"libopendkim-dev"},{"binary_version":"2.11.0~beta2-9build4","binary_name":"libopendkim11"},{"binary_version":"2.11.0~beta2-9build4","binary_name":"librbl-dev"},{"binary_version":"2.11.0~beta2-9build4","binary_name":"librbl1"},{"binary_version":"2.11.0~beta2-9build4","binary_name":"libvbr-dev"},{"binary_version":"2.11.0~beta2-9build4","binary_name"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