{"id":"CVE-2019-16056","details":"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.","aliases":["PSF-2019-5"],"modified":"2026-05-14T12:01:40.975360097Z","published":"2019-09-06T18:15:15.443Z","related":["ALSA-2020:1605","SUSE-RU-2020:1342-1","SUSE-SU-2019:2743-1","SUSE-SU-2019:2748-1","SUSE-SU-2019:2748-2","SUSE-SU-2019:2798-1","SUSE-SU-2019:2802-1","SUSE-SU-2020:0114-1","SUSE-SU-2020:0234-1","SUSE-SU-2020:0302-1","SUSE-SU-2020:2699-1","SUSE-SU-2020:3563-1","SUSE-SU-2021:14198-1","openSUSE-SU-2019:2389-1","openSUSE-SU-2019:2393-1","openSUSE-SU-2019:2438-1","openSUSE-SU-2019:2453-1","openSUSE-SU-2020:0086-1","openSUSE-SU-2024:11202-1","openSUSE-SU-2024:11284-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"4.1"},{"last_affected":"4.3"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:communications_operations_monitor:*:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"8.57"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"8.58"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"8.8"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"1.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"12.04"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*"},{"extracted_events":[{"last_affected":"14.04"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*"},{"extracted_events":[{"last_affected":"16.04"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*"},{"extracted_events":[{"last_affected":"18.04"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"},{"extracted_events":[{"last_affected":"19.04"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"8.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"9.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"29"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"30"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"31"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"15.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"15.1"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"11"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*"}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEARDOTXCYPYELKBD2KWZ27GSPXDI3GQ/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/COATURTCY7G67AYI6UDV5B2JZTBCKIDX/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E2HP37NUVLQSBW3J735A2DQDOZ4ZGBLY/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER6LONC2B2WYIO56GBQUDU6QTWZDPUNQ/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4KZEFP6E4YPYB52AF4WXCUDSGQOTF37/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K7HNVIFMETMFWWWUNTB72KYJYXCZOS5V/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NF3DRDGMVIRYNZMSLJIHNW47HOUQYXVG/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OYGESQSGIHDCIGOBVF7VXCMIE6YDWRYB/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QASRD4E2G65GGEH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