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Ubuntu Security Notice USN-5152-1

Ubuntu Security Notice USN-5152-1
Posted Nov 19, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5152-1 - 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 security restrictions, spoof the UI, confuse the user, conduct phishing attacks, or execute arbitrary code.

tags | advisory, denial of service, arbitrary, spoof
systems | linux, ubuntu
advisories | CVE-2021-38503, CVE-2021-38509
MD5 | 24e382a4ac0afa4668158c5c48685920

Ubuntu Security Notice USN-5152-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5152-1
November 18, 2021

thunderbird vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10

Summary:

Several security issues were fixed in Thunderbird.

Software Description:
- 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 security restrictions, spoof the UI, confuse the user, conduct
phishing attacks, or execute arbitrary code.

Update instructions:

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

Ubuntu 21.10:
thunderbird 1:91.3.1+build1-0ubuntu0.21.10.1

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

References:
https://ubuntu.com/security/notices/USN-5152-1
CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507,
CVE-2021-38509

Package Information:

https://launchpad.net/ubuntu/+source/thunderbird/1:91.3.1+build1-0ubuntu0.21.10.1
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