Security Vulnerabilities fixed in thunderbird RHSA-2021:3160

description-logoDescription

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) 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. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

affected-products-logoAffected Applications

thunderbird