[USN-4045-1] Thunderbird vulnerabilities

---------- Forwarded message ---------
From: Chris Coulson
Date: Jul 3,2019 12:57AM

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)

References:
  https://usn.ubuntu.com/4045-1
  CVE-2019-11707, CVE-2019-11708