CVE-2016-7968

Publication date 23 December 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. HTML Mail contents were not sanitized for JavaScript and included code was executed.

Read the notes from the security team

Status

Package Ubuntu Release Status
kdepim 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
12.04 LTS precise
Not affected
kf5-messagelib 17.04 zesty
Not affected
16.10 yakkety Ignored end of life
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Notes

sbeattie

need QT 5.7 to disable entirely, partial sanitization commits are linked off of the kde advisory

mdeslaur

5.3.0 and over

tyhicks

tsimonq2 says that kmail in kdepim Zesty and older is not affected

sbeattie

kmail did not use QWebSettings through zesty

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
kf5-messagelib

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

Other references