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USN-5393-1: Thunderbird vulnerabilities

27 April 2022

Several security issues were fixed in Thunderbird.

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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,
conduct spoofing attacks, or execute arbitrary code. (CVE-2022-1097,
CVE-2022-1196, CVE-2022-28281, CVE-2022-28282, CVE-2022-28285,
CVE-2022-28286, CVE-2022-28289)

It was discovered that Thunderbird ignored OpenPGP revocation when
importing a revoked key in some circumstances. An attacker could
potentially exploit this by tricking the user into trusting the
authenticity of a message or tricking them into use a revoked key to
send an encrypted message. (CVE-2022-1197)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.10
Ubuntu 20.04
Ubuntu 18.04

After a standard system update you need to restart Thunderbird to make
all the necessary changes.

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