GLSA 202101-14: Mozilla Thunderbird: Remote code execution

http://security.gentoo.org/

Severity:	normal
Title:	Mozilla Thunderbird: Remote code execution
Date:	01/22/2021
Bugs:	#765088
ID:	202101-14

Synopsis

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

Background

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

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
mail-client/thunderbird-bin	< 78.6.1	>= 78.6.1	All supported architectures
mail-client/thunderbird	< 78.6.1	>= 78.6.1	All supported architectures

Description

A use-after-free bug was discovered in Mozilla Thunderbird handling of SCTP.

Impact

A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

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-78.6.1"

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


      # emerge --sync
      # emerge --ask --oneshot --verbose
      ">=mail-client/thunderbird-bin-78.6.1"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202101-14.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.