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USN-4150-1: Thunderbird vulnerabilities

USN-4150-1: Thunderbird vulnerabilities

thunderbird vulnerabilities

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

Summary

Several security issues were fixed in Thunderbird.

Software Description

Details

It was discovered that encrypted S/MIME parts in a multipart message can
leak plaintext contents when included in a HTML reply or forward in some
circumstances. If a user were tricked in to replying to or forwarding a
specially crafted message, an attacker could potentially exploit this to
obtain sensitive information. (CVE-2019-11739)

Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to obtain sensitive
information, conduct cross-site scripting (XSS) attack, scause a denial
of service, or execute arbitrary code. (CVE-2019-11740, CVE-2019-11742,
CVE-2019-11743, CVE-2019-11744, CVE-2019-11746, CVE-2019-11752)

Update instructions

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

Ubuntu 19.04
thunderbird1:60.9.0+build1-0ubuntu0.19.04.1
Ubuntu 18.04 LTS
thunderbird1:60.9.0+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS
thunderbird1:60.9.0+build1-0ubuntu0.16.04.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Thunderbird to make
all the necessary changes.

References

Source: USN-4150-1: Thunderbird vulnerabilities

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