A thunderbird security update has been released for Red Hat Enterprise Linux 6.
RHSA-2020:2049-01: Critical: thunderbird security update
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Red Hat Security Advisory
Synopsis: Critical: thunderbird security update
Advisory ID: RHSA-2020:2049-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2049
Issue date: 2020-05-11
CVE Names: CVE-2020-6831 CVE-2020-12387 CVE-2020-12392
CVE-2020-12395 CVE-2020-12397
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1. Summary:
An update for thunderbird is now available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having a security impact
of Critical. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.8.0.
Security Fix(es):
* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)
* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
(CVE-2020-12395)
* usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)
* Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392)
* Mozilla: Sender Email Address Spoofing using encoded Unicode characters
(CVE-2020-12397)
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.
4. Solution:
For 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.
5. Bugs fixed ( https://bugzilla.redhat.com/):
1831761 - CVE-2020-12387 Mozilla: Use-after-free during worker shutdown
1831763 - CVE-2020-6831 usrsctp: Buffer overflow in AUTH chunk input validation
1831764 - CVE-2020-12392 Mozilla: Arbitrary local file access with 'Copy as cURL'
1831765 - CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
1832565 - CVE-2020-12397 Mozilla: Sender Email Address Spoofing using encoded Unicode characters
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
thunderbird-68.8.0-1.el6_10.src.rpm
i386:
thunderbird-68.8.0-1.el6_10.i686.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.i686.rpm
x86_64:
thunderbird-68.8.0-1.el6_10.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source:
thunderbird-68.8.0-1.el6_10.src.rpm
i386:
thunderbird-68.8.0-1.el6_10.i686.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.i686.rpm
ppc64:
thunderbird-68.8.0-1.el6_10.ppc64.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.ppc64.rpm
s390x:
thunderbird-68.8.0-1.el6_10.s390x.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.s390x.rpm
x86_64:
thunderbird-68.8.0-1.el6_10.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
thunderbird-68.8.0-1.el6_10.src.rpm
i386:
thunderbird-68.8.0-1.el6_10.i686.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.i686.rpm
x86_64:
thunderbird-68.8.0-1.el6_10.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-6831
https://access.redhat.com/security/cve/CVE-2020-12387
https://access.redhat.com/security/cve/CVE-2020-12392
https://access.redhat.com/security/cve/CVE-2020-12395
https://access.redhat.com/security/cve/CVE-2020-12397
https://access.redhat.com/security/updates/classification/#critical
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
