Gentoo: GLSA 202101-14 Critical: Mozilla Thunderbird Remote Execution
gentoo
January 22, 2021
Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code.
Summary
A use-after-free bug was discovered in Mozilla Thunderbird handling of SCTP.
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 -v ">=mail-client/thunderbird-bin-78.6.1"
All Mozilla Thunderbird binary users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.6.1"
References
[ 1 ] CVE-2020-16044 https://nvd.nist.gov/vuln/detail/CVE-2020-16044 [ 2 ] MFSA-2021-02 https://www.mozilla.org/en-US/security/advisories/mfsa2021-02/
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202101-14
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: Mozilla Thunderbird: Remote code execution
Date: January 22, 2021
Bugs: #765088
ID: 202101-14
Background
Mozilla Thunderbird is a popular open-source email client from the
Mozilla project.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-client/thunderbird < 78.6.1 >= 78.6.1
2 mail-client/thunderbird-bin
< 78.6.1 >= 78.6.1
-------------------------------------------------------------------
2 affected packages
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.
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