Ubuntu 16.04 LTS / 18.04 LTS : IMAPFilter vulnerability (USN-9072-1)

high Nessus Plugin ID 381328

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-9072-1 advisory.

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.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected imapfilter package.

See Also

https://ubuntu.com/security/notices/USN-9072-1

Plugin Details

Severity: High

ID: 381328

File Name: ubuntu_USN-9072-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/14/2026

Updated: 11/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2016-10937

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:imapfilter

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2026

Vulnerability Publication Date: 9/8/2019

Reference Information

CVE: CVE-2016-10937

USN: 9072-1