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Ubuntu 21.10: 5168-2 Moderate: Thunderbirds Denial Of Service Threat

ubuntu
Calendar Grey December 1, 2021
Dist Ubuntu Esm H88
A critical flaw in Thunderbird exposes Ubuntu machines to remote code execution via malicious signature handling. Discover the details.
Thunderbird could be made to crash or run programs if it verified a specially crafted signature.

Summary

Topics%20covered

Topics Covered

security advisory denial of service remote code execution Ubuntu thunderbird

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: thunderbird 1:91.3.1+build1-0ubuntu0.21.10.2 Ubuntu 21.04: thunderbird 1:78.14.0+build1-0ubuntu0.21.04.2 Ubuntu 20.04 LTS: thunderbird 1:78.14.0+build1-0ubuntu0.20.04.2 Ubuntu 18.04 LTS: thunderbird 1:78.14.0+build1-0ubuntu0.18.04.2 After a standard system update you need to restart Thunderbird to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5168-2

https://ubuntu.com/security/notices/USN-5168-1

CVE-2021-43527

December 01, 2021

Topics%20covered

Topics Covered

security advisory denial of service remote code execution Ubuntu thunderbird

Package Information

https://launchpad.net/ubuntu/+source/thunderbird/1:91.3.1+build1-0ubuntu0.21.10.2 https://launchpad.net/ubuntu/+source/thunderbird/1:78.14.0+build1-0ubuntu0.21.04.2 https://launchpad.net/ubuntu/+source/thunderbird/1:78.14.0+build1-0ubuntu0.20.04.2 https://launchpad.net/ubuntu/+source/thunderbird/1:78.14.0+build1-0ubuntu0.18.04.2

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