Ubuntu 19.04: 4045-1 Critical: Thunderbird Security Flaws

ubuntu

July 2, 2019

Several security issues were fixed in Thunderbird.

Summary

Several security issues were fixed in Thunderbird.

Software Description:

- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

A type confusion bug was discovered in Thunderbird. If a user were

tricked in to opening a specially crafted website in a browsing context,

an attacker could exploit this by causing a denial of service, or

executing arbirary code. (CVE-2019-11707)

It was discovered that a sandboxed child process could open arbitrary web

content in the parent process via the Prompt:Open IPC message. When

combined with another vulnerability, an attacker could potentially exploit

this to execute arbitrary code. (CVE-2019-11708)

Topics Covered

security advisory denial of service Ubuntu thunderbird type confusion

Update Instructions

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

Ubuntu 19.04:
  thunderbird                     1:60.7.2+build2-0ubuntu0.19.04.1

Ubuntu 18.10:
  thunderbird                     1:60.7.2+build2-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  thunderbird                     1:60.7.2+build2-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  thunderbird                     1:60.7.2+build2-0ubuntu0.16.04.1

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