Dawid Golunski from LegalHackers discovered that PHP Swift Mailer, a mailing solution for PHP, did not correctly validate user input. This allowed a remote attacker to execute arbitrary code by passing specially formatted email addresses in specific email headers.

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Debian Security Advisory DSA-3769-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                       Sebastien Delafond
January 22, 2017                      https://www.debian.org/security/faq
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Package        : libphp-swiftmailer
CVE ID         : CVE-2016-10074
Debian Bug     : 849626

Dawid Golunski from LegalHackers discovered that PHP Swift Mailer, a
mailing solution for PHP, did not correctly validate user input. This
allowed a remote attacker to execute arbitrary code by passing
specially formatted email addresses in specific email headers.

For the stable distribution (jessie), this problem has been fixed in
version 5.2.2-1+deb8u1.

For the testing (stretch) and unstable (sid) distributions, this
problem has been fixed in version 5.4.2-1.1.

We recommend that you upgrade your libphp-swiftmailer packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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