Debian Security Advisory

DLA-2650-1 exim4 -- LTS security update

Date Reported:

05 May 2021

Affected Packages:

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2020-28007, CVE-2020-28008, CVE-2020-28009, CVE-2020-28011, CVE-2020-28012, CVE-2020-28013, CVE-2020-28014, CVE-2020-28015, CVE-2020-28017, CVE-2020-28019, CVE-2020-28020, CVE-2020-28021, CVE-2020-28022, CVE-2020-28023, CVE-2020-28024, CVE-2020-28025, CVE-2020-28026.

More information:

The Qualys Research Labs reported several vulnerabilities in Exim, a mail transport agent, which could result in local privilege escalation and remote code execution.

Details can be found in the Qualys advisory at https://www.qualys.com/2021/05/04/21nails/21nails.txt

For Debian 9 stretch, these problems have been fixed in version 4.89-2+deb9u8.

We recommend that you upgrade your exim4 packages.

For the detailed security status of exim4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/exim4

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