Advisory Published

USN-6214-1: Thunderbird vulnerabilities

First published: Tue Jul 11 2023(Updated: )

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, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. (CVE-2023-34414, CVE-2023-34416, CVE-2023-37201, CVE-2023-37202, CVE-2023-37207, CVE-2023-37211) P Umar Farooq discovered that Thunderbird did not properly provide warning when opening Diagcab files. If a user were tricked into opening a malicicous Diagcab file, an attacker could execute arbitrary code. (CVE-2023-37208)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/thunderbird<1:102.13.0+build1-0ubuntu0.23.04.1
1:102.13.0+build1-0ubuntu0.23.04.1
=23.04
All of
ubuntu/thunderbird<1:102.13.0+build1-0ubuntu0.22.10.1
1:102.13.0+build1-0ubuntu0.22.10.1
=22.10
All of
ubuntu/thunderbird<1:102.13.0+build1-0ubuntu0.22.04.1
1:102.13.0+build1-0ubuntu0.22.04.1
=22.04
All of
ubuntu/thunderbird<1:102.13.0+build1-0ubuntu0.20.04.1
1:102.13.0+build1-0ubuntu0.20.04.1
=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6214-1?

    The severity of USN-6214-1 is high.

  • How can an attacker exploit the vulnerabilities in Thunderbird?

    An attacker can exploit the vulnerabilities in Thunderbird by tricking a user into opening a specially crafted website in a browsing context.

  • What can an attacker do if they successfully exploit the vulnerabilities in Thunderbird?

    If an attacker successfully exploits the vulnerabilities in Thunderbird, they can cause a denial of service, obtain sensitive information, bypass security restrictions, and perform cross-site tracing.

  • How can I fix the Thunderbird vulnerabilities in Ubuntu version 23.04?

    To fix the Thunderbird vulnerabilities in Ubuntu version 23.04, update the Thunderbird package to version 1:102.13.0+build1-0ubuntu0.23.04.1.

  • Where can I find more information about the Thunderbird vulnerabilities?

    You can find more information about the Thunderbird vulnerabilities on the Ubuntu Security Notices website.

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