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Debian Security Advisory DSA-4690-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
May 20, 2020                          https://www.debian.org/security/faq
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Package        : dovecot
CVE ID         : CVE-2020-10957 CVE-2020-10958 CVE-2020-10967
Debian Bug     : 960963

Several vulnerabilities were discovered in the Dovecot email server,
which could cause crashes in the submission, submission-login or lmtp
services, resulting in denial of service.

For the stable distribution (buster), these problems have been fixed in
version 1:2.3.4.1-5+deb10u2.

We recommend that you upgrade your dovecot packages.

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

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/

Mailing list: debian-security-announce@lists.debian.org