Debian: DSA-4584-1 moderate: spamassassin command execution and DoS

CVE-2018-11805

Malicious rule or configuration files, possibly downloaded from an
updates server, could execute arbitrary commands under multiple
scenarios.

CVE-2019-12420

Specially crafted mulitpart messages can cause spamassassin to use
excessive resources, resulting in a denial of service.

For the oldstable distribution (stretch), these problems have been fixed
in version 3.4.2-1~deb9u2.

For the stable distribution (buster), these problems have been fixed in
version 3.4.2-1+deb10u1.

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/source-package/spamassassin

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/