1. Ubuntu Security Notices
  2. USN-6075-1

USN-6075-1: Thunderbird vulnerabilities

Publication date

15 May 2023

Overview

Several security issues were fixed in Thunderbird.

Releases

Packages

  • 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,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2023-32205, CVE-2023-32207,
CVE-2023-32211, CVE-2023-32212, CVE-2023-32213, CVE-2023-32215)

Irvan Kurniawan discovered that Thunderbird did not properly manage memory
when using RLBox Expat driver. An attacker could potentially exploits this
issue to cause a denial of service. (CVE-2023-32206)

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-2023-32205, CVE-2023-32207,
CVE-2023-32211, CVE-2023-32212, CVE-2023-32213, CVE-2023-32215)

Irvan Kurniawan discovered that Thunderbird did not properly manage memory
when using RLBox Expat driver. An attacker could potentially exploits this
issue to cause a denial of service. (CVE-2023-32206)

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
23.04 lunar thunderbird –  1:102.11.0+build1-0ubuntu0.23.04.1
22.10 kinetic thunderbird –  1:102.11.0+build1-0ubuntu0.22.10.1
22.04 jammy thunderbird –  1:102.11.0+build1-0ubuntu0.22.04.1
20.04 focal thunderbird –  1:102.11.0+build1-0ubuntu0.20.04.1
18.04 bionic thunderbird –  1:102.11.0+build1-0ubuntu0.18.04.1

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References

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