Mozilla Thunderbird: Multiple vulnerabilities — GLSA 202012-04

Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could lead to the execution of arbitrary code.

Affected packages

Package	mail-client/thunderbird on all architectures
Affected versions	< 78.5.1
Unaffected versions	>= 78.5.1

Package	mail-client/thunderbird-bin on all architectures
Affected versions	< 78.5.1
Unaffected versions	>= 78.5.1

Background

Mozilla Thunderbird is a popular open-source email client from the Mozilla project.

Description

Multiple vulnerabilities have been discovered in Mozilla Thunderbird. Please review the referenced Mozilla Foundation Security Advisories and CVE identifiers below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Mozilla Thunderbird users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.5.1"

All Mozilla Thunderbird binary users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 ">=mail-client/thunderbird-bin-78.5.1"

References

Release date
December 07, 2020

Latest revision
December 07, 2020: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries

758857