==========================================================================
Ubuntu Security Notice USN-6368-1
September 14, 2023

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

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

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

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,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2023-4573, CVE-2023-4574,
CVE-2023-4575, CVE-2023-4581, CVE-2023-4584)

It was discovered that Thunderbird did not properly manage memory when
handling WebP images. If a user were tricked into opening a malicious WebP
image file, an attacker could potentially exploit these to cause a denial
of service or execute arbitrary code. (CVE-2023-4863)

Update instructions:

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

Ubuntu 23.04:
  thunderbird                     1:102.15.1+build1-0ubuntu0.23.04.1

Ubuntu 22.04 LTS:
  thunderbird                     1:102.15.1+build1-0ubuntu0.22.04.1

Ubuntu 20.04 LTS:
  thunderbird                     1:102.15.1+build1-0ubuntu0.20.04.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-6368-1
  CVE-2023-4573, CVE-2023-4574, CVE-2023-4575, CVE-2023-4581,
  CVE-2023-4584, CVE-2023-4863

Package Information:
  https://launchpad.net/ubuntu/+source/thunderbird/1:102.15.1+build1-0ubuntu0.23.04.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:102.15.1+build1-0ubuntu0.22.04.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:102.15.1+build1-0ubuntu0.20.04.1

Ubuntu 6368-1: Thunderbird vulnerabilities

September 14, 2023
Several security issues were fixed in Thunderbird.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS 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, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. (CVE-2023-4573, CVE-2023-4574, CVE-2023-4575, CVE-2023-4581, CVE-2023-4584) It was discovered that Thunderbird did not properly manage memory when handling WebP images. If a user were tricked into opening a malicious WebP image file, an attacker could potentially exploit these to cause a denial of service or execute arbitrary code. (CVE-2023-4863)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: thunderbird 1:102.15.1+build1-0ubuntu0.23.04.1 Ubuntu 22.04 LTS: thunderbird 1:102.15.1+build1-0ubuntu0.22.04.1 Ubuntu 20.04 LTS: thunderbird 1:102.15.1+build1-0ubuntu0.20.04.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6368-1

CVE-2023-4573, CVE-2023-4574, CVE-2023-4575, CVE-2023-4581,

CVE-2023-4584, CVE-2023-4863

Severity
Ubuntu Security Notice USN-6368-1

Package Information

https://launchpad.net/ubuntu/+source/thunderbird/1:102.15.1+build1-0ubuntu0.23.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:102.15.1+build1-0ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:102.15.1+build1-0ubuntu0.20.04.1

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