USN-5724-1: Thunderbird vulnerabilities
11 November 2022
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,
bypass Content Security Policy (CSP) or other security restrictions, or
execute arbitrary code. These issues only affect Ubuntu 18.04 LTS, Ubuntu
20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-3266, CVE-2022-40956,
CVE-2022-40957, CVE-2022-40958, CVE-2022-40959, CVE-2022-40960,
CVE-2022-40962)
Multiple security issues were discovered in the Matrix SDK bundled with
Thunderbird. An attacker could potentially exploit these in order to
impersonate another user. These issues only affect Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-39236, CVE-2022-39249,
CVE-2022-39250, CVE-2022-39251)
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, or execute arbitrary code. (CVE-2022-42927,
CVE-2022-42928, CVE-2022-42929, CVE-2022-42932)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
After a standard system update you need to restart Thunderbird to make
all the necessary changes.