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USN-6995-1: Thunderbird vulnerabilities

9 September 2024

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,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2024-7521, CVE-2024-7526,
CVE-2024-7527, CVE-2024-7529, CVE-2024-8382)

It was discovered that Thunderbird did not properly manage certain memory
operations when processing graphics shared memory. An attacker could
potentially exploit this issue to escape the sandbox. (CVE-2024-7519)

Irvan Kurniawan discovered that Thunderbird did not properly check an
attribute value in the editor component, leading to an out-of-bounds read
vulnerability. An attacker could possibly use this issue to cause a denial
of service or expose sensitive information. (CVE-2024-7522)

Rob Wu discovered that Thunderbird did not properly check permissions when
creating a StreamFilter. An attacker could possibly use this issue to
modify response body of requests on any site using a web extension.
(CVE-2024-7525)

Nils Bars discovered that Thunderbird contained a type confusion
vulnerability when performing certain property name lookups. An attacker
could potentially exploit this issue to cause a denial of service, or
execute arbitrary code. (CVE-2024-8381)

It was discovered that Thunderbird did not properly manage memory during
garbage collection. An attacker could potentially exploit this issue to
cause a denial of service, or execute arbitrary code. (CVE-2024-8384)

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 22.04
Ubuntu 20.04

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

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