Saturday, June 20, 2026

Attackers could execute their own code in the context of Thunderbird and Firefox

Date:

Attackers could attack Firefox, Firefox ESR, and Thunderbird in certain situations and, in the worst case, execute malicious code. If that works, there is a high probability that they can completely compromise the systems.

With both web browsers, there may be issues with parsing (CVE-2022-40960″tall“) come from non-UTF8 URLs. In an attack scenario not described in detail, malicious code could reach systems (CVE-2022-40962 “tall“).

Victims respond to a doctored HTML email with a meta day, attackers could smuggle information about it. Due to the bug (CVE-2022-3033 “tall‘) could execute JavaScript and use it to read or even manipulate messages. Users showing the text of the message in simple html either plain text they are not affected by the gap.

in the versions Firefox 105, Firefox ESR 102.3 Y Thunderbird 91.13.1 and of Thunderbird 102.2.1 the developers have closed the vulnerabilities.

More information about the vulnerabilities:

updates

09/21/2022

10:59

clock

Added more information about breaches.

See also:

  • Firefox – download quickly and safely from heise.de
  • Thunderbird: Download quickly and safely from heise.de


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Toni Morrison
Toni Morrison
Toni Morrison was a celebrated American author whose novels earned worldwide recognition for their depth, artistry, and cultural significance. Her influential works continue to inspire readers and writers across generations.

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