1. Ubuntu Security Notices
  2. USN-7193-1

USN-7193-1: Thunderbird vulnerability

Publication date

9 January 2025

Overview

Thunderbird could be made to bypass security restrictions.

Releases

Packages

  • thunderbird - Mozilla Open Source mail and newsgroup client

Details

Masato Kinugawa discovered that Thunderbird did not properly validate the
CSP policy in the Web Compatibility extension. An attacker could
potentially exploit this issue to perform a cross-site scripting attack.

Masato Kinugawa discovered that Thunderbird did not properly validate the
CSP policy in the Web Compatibility extension. An attacker could
potentially exploit this issue to perform a cross-site scripting attack.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy thunderbird –  1:115.18.0+build1-0ubuntu0.22.04.1
20.04 focal thunderbird –  1:115.18.0+build1-0ubuntu0.20.04.1

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References

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