Product Errata

RLSA-2021:3155

Important: thunderbird security update

Topic

An update is available for thunderbird.

This update affects Rocky Linux 8.

A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

Description

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.13.0.

Security Fix(es):

* Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980)

* Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984)

* Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986)

* Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988)

* Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989)

* Mozilla: Use-after-free media channels (CVE-2021-29985)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.