1. Ubuntu Security Notices
  2. USN-4361-1

USN-4361-1: Dovecot vulnerabilities

Publication date

18 May 2020

Overview

Several security issues were fixed in Dovecot.

Releases

Packages

  • dovecot - IMAP and POP3 email server

Details

Philippe Antoine discovered that Dovecot incorrectly handled certain data.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-10957, CVE-2020-10967)

Philippe Antoine discovered that Dovecot incorrectly handled certain data.
An attacker could possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2020-10958)

Philippe Antoine discovered that Dovecot incorrectly handled certain data.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-10957, CVE-2020-10967)

Philippe Antoine discovered that Dovecot incorrectly handled certain data.
An attacker could possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2020-10958)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal dovecot-core –  1:2.3.7.2-1ubuntu3.1
19.10 eoan dovecot-core –  1:2.3.4.1-5ubuntu3.1

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References

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