==========================================================================
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