A spamassassin security update has been released for Debian GNU/Linux 9 LTS to address an issue where malicious rule configuration files could execute arbitrary commands under multiple scenarios.

DLA 2615-1: spamassassin security update

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Debian LTS Advisory DLA-2615-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
April 02, 2021   https://wiki.debian.org/LTS
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Package : spamassassin
Version : 3.4.2-1~deb9u4
CVE ID : CVE-2020-1946
Debian Bug : 985962

Damian Lukowski discovered a flaw in spamassassin, a Perl-based spam
filter using text analysis. Malicious rule configuration files,
possibly downloaded from an updates server, could execute arbitrary
commands under multiple scenarios.

For Debian 9 stretch, this problem has been fixed in version
3.4.2-1~deb9u4.

We recommend that you upgrade your spamassassin packages.

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

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