A spip security update has been released for Debian GNU/Linux 9 LTS to address an issue that allows a malicious user to execute arbitrary code.

DLA 2949-1: spip security update

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Debian LTS Advisory DLA-2949-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
March 15, 2022   https://wiki.debian.org/LTS
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Package : spip
Version : 3.1.4-4~deb9u5
CVE ID : CVE-2022-26846 CVE-2022-26847

It was discovered that SPIP, a website engine for publishing, would
allow a malicious user to execute arbitrary code.

For Debian 9 stretch, these problems have been fixed in version
3.1.4-4~deb9u5.

We recommend that you upgrade your spip packages.

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

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