USN-7193-1: Thunderbird vulnerability

9 January 2025

Thunderbird could be made to bypass security restrictions.

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 22.04
Ubuntu 20.04

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

References

Related notices

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