RedHat: RHSA-2020-2611:01 Important: thunderbird security update
Summary
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.9.0.
Security Fix(es):
* Mozilla: Security downgrade with IMAP STARTTLS leads to information
leakage (CVE-2020-12398)
* Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405)
* Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406)
* Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
(CVE-2020-12410)
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.
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2020-12398 https://access.redhat.com/security/cve/CVE-2020-12405 https://access.redhat.com/security/cve/CVE-2020-12406 https://access.redhat.com/security/cve/CVE-2020-12410 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
thunderbird-68.9.0-1.el8_1.src.rpm
ppc64le:
thunderbird-68.9.0-1.el8_1.ppc64le.rpm
thunderbird-debuginfo-68.9.0-1.el8_1.ppc64le.rpm
thunderbird-debugsource-68.9.0-1.el8_1.ppc64le.rpm
x86_64:
thunderbird-68.9.0-1.el8_1.x86_64.rpm
thunderbird-debuginfo-68.9.0-1.el8_1.x86_64.rpm
thunderbird-debugsource-68.9.0-1.el8_1.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/
Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream EUS (v. 8.1) - ppc64le, x86_64
Bugs Fixed
1843030 - CVE-2020-12410 Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
1843312 - CVE-2020-12406 Mozilla: JavaScript Type confusion with NativeTypes
1843313 - CVE-2020-12405 Mozilla: Use-after-free in SharedWorkerService
1846556 - CVE-2020-12398 Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage
