USN-6782-1: Thunderbird vulnerabilities

Publication date

22 May 2024

Overview

Several security issues were fixed in Thunderbird.


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-2024-4767, CVE-2024-4768,
CVE-2024-4769, CVE-2024-4777)

Thomas Rinsma discovered that Thunderbird did not properly handle type check
when handling fonts in PDF.js. An attacker could potentially exploit this
issue to execute arbitrary javascript code in PDF.js. (CVE-2024-4367)

Irvan Kurniawan discovered that Thunderbird did not properly handle certain
font styles when saving a page to PDF. An attacker could...

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-2024-4767, CVE-2024-4768,
CVE-2024-4769, CVE-2024-4777)

Thomas Rinsma discovered that Thunderbird did not properly handle type check
when handling fonts in PDF.js. An attacker could potentially exploit this
issue to execute arbitrary javascript code in PDF.js. (CVE-2024-4367)

Irvan Kurniawan discovered that Thunderbird did not properly handle certain
font styles when saving a page to PDF. An attacker could potentially
exploit this issue to cause a denial of service. (CVE-2024-4770)


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
23.10 mantic thunderbird –  1:115.11.0+build2-0ubuntu0.23.10.1
22.04 jammy thunderbird –  1:115.11.0+build2-0ubuntu0.22.04.1
20.04 focal thunderbird –  1:115.11.0+build2-0ubuntu0.20.04.1

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