A php-nette security update has been released for Debian GNU/Linux 9 LTS to address a vulnerability that may result in a code injection attack.

DLA 2617-1: php-nette security update

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Debian LTS Advisory DLA-2617-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Markus Koschany
April 04, 2021   https://wiki.debian.org/LTS
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Package : php-nette
Version : 2.4-20160731-1+deb9u1
CVE ID : CVE-2020-15227

Cyku Hong from DEVCORE discovered that php-nette, a PHP MVC framework, is
vulnerable to a code injection attack by passing specially formed parameters to
URL that may possibly leading to remote code execution.

For Debian 9 stretch, this problem has been fixed in version
2.4-20160731-1+deb9u1.

We recommend that you upgrade your php-nette packages.

For the detailed security status of php-nette please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/php-nette

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