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CVE-2019-16056 Affecting python2.7 package, versions <2.7.12-1ubuntu0~16.04.9

medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.15% (52nd percentile)
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NVD
7.5 high
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SUSE
6.5 medium
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Red Hat
7.3 high

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  • Snyk ID SNYK-UBUNTU1604-PYTHON27-472432
  • published 9 Sep 2019
  • disclosed 6 Sep 2019
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Introduced: 6 Sep 2019

CVE-2019-16056 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 python2.7 to version 2.7.12-1ubuntu0~16.04.9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python2.7 package and not the python2.7 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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.

References