Ubuntu 22.04 LTS USN-5435-1 Critical: Thunderbird Exploits

ubuntu

May 23, 2022

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:

Multiple security issues were discovered in Thunderbird. If a user were

tricked into opening a specially crafted website in a browsing context, an

attacker could potentially exploit these to cause a denial of service,

bypass permission prompts, obtain sensitive information, bypass security

restrictions, cause user confusion, or execute arbitrary code.

(CVE-2022-29909, CVE-2022-29911, CVE-2022-29912, CVE-2022-29913,

CVE-2022-29914, CVE-2022-29916, CVE-2022-29917)

It was discovered that Thunderbird would show the wrong security status

after viewing an attached message that is signed or encrypted. An attacker

could potentially exploit this by tricking the user into trusting the

authenticity of a message. (CVE-2022-1520)

It was discovered that the methods of an Array object could be corrupted

as a result of prototype p...

Read the Full Advisory

Topics Covered

security advisory denial of service critical exploit Ubuntu thunderbird

Update Instructions

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

Ubuntu 22.04 LTS:
  thunderbird                     1:91.9.1+build1-0ubuntu0.22.04.1

Ubuntu 21.10:
  thunderbird                     1:91.9.1+build1-0ubuntu0.21.10.1

Ubuntu 20.04 LTS:
  thunderbird                     1:91.9.1+build1-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  thunderbird                     1:91.9.1+build1-0ubuntu0.18.04.1

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