Home / mailings

PDF

[USN-9072-1] IMAPFilter vulnerability

Posted on 13 November 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-9072-1
November 12, 2026

imapfilter vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

IMAPFilter could be made to expose sensitive information over the network.

Software Description:
- imapfilter: filter mail in your IMAP account

Details:

It was discovered that IMAPFilter did not validate the hostname in SSL/TLS
server certificates. A remote attacker could possibly use this issue to
intercept secure communications.

Update instructions:

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

Ubuntu 18.04 LTS
imapfilter 1:2.6.11-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
imapfilter 1:2.6.4-1ubuntu0.1~esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-9072-1
CVE-2016-10937

--===============1942129570953762448==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature

 

TOP