{"api_version":"1","generated_at":"2026-04-22T20:52:17+00:00","cve":"CVE-2019-16056","urls":{"html":"https://cve.report/CVE-2019-16056","api":"https://cve.report/api/cve/CVE-2019-16056.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-16056","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-16056"},"summary":{"title":"CVE-2019-16056","description":"An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340; however, this CVE applies to Python more generally.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2019-09-06 18:15:00","updated_at":"2023-11-07 03:05:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QP46PQSUKYPGWTADQ67NOV3BUN6JM34Z/","name":"FEDORA-2019-232f092db0","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 31 Update: python3-3.7.5-1.fc31 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/","name":"FEDORA-2019-d202cda4f8","refsource":"","tags":[],"title":"[SECURITY] Fedora 29 Update: python35-3.5.8-2.fc29 - package-announce - Fedora 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issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340; however, this CVE applies to Python more generally.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"16056","Ordinal":"2","NoteData":"2019-09-06","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"16056","Ordinal":"3","NoteData":"2020-08-22","Type":"Other","Title":"Modified"}]}}}