CVE-2019-16056

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.

Bugs

• <https://bugs.python.org/issue34155&gt;

Notes