Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 603
Alerts This Week
Warning Icon 1 603

Ubuntu 19.04, 18.10: USN-3951-1 Moderate: Dovecot Denial Of Service

ubuntu
Calendar Grey April 23, 2019
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
Dovecot could be made to crash if it received specially crafted network traffic.

Summary

Dovecot could be made to crash if it received specially crafted network

traffic.

Software Description:

- dovecot: IMAP and POP3 email server

Details:

It was discovered that the Dovecot JSON encoder incorrectly handled certain

invalid UTF-8 characters. A remote attacker could possibly use this issue

to cause Dovecot to repeatedly crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service system update ubuntu dovecot

Update Instructions

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

Ubuntu 19.04:
  dovecot-core                    1:2.3.4.1-1ubuntu2.1

Ubuntu 18.10:
  dovecot-core                    1:2.3.2.1-1ubuntu3.3

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

References

https://ubuntu.com/security/notices/USN-3951-1

CVE-2019-10691

Severity
important
Lowest
Low
Medium
High
Critical

April 23, 2019

Topics%20covered

Topics Covered

security advisory denial of service system update ubuntu dovecot

Package Information

https://launchpad.net/ubuntu/+source/dovecot/1:2.3.4.1-1ubuntu2.1
https://launchpad.net/ubuntu/+source/dovecot/1:2.3.2.1-1ubuntu3.3

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.