RedHat: RHSA-2020-2907:01 Important: thunderbird security update
Summary
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.10.0.
Security Fix(es):
* Mozilla: Memory corruption due to missing sign-extension for ValueTags on
ARM64 (CVE-2020-12417)
* Mozilla: Information disclosure due to manipulated URL object
(CVE-2020-12418)
* Mozilla: Use-after-free in nsGlobalWindowInner (CVE-2020-12419)
* Mozilla: Use-After-Free when trying to connect to a STUN server
(CVE-2020-12420)
* Mozilla: Add-On updates did not respect the same certificate trust rules
as software updates (CVE-2020-12421)
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-2020-12417 https://access.redhat.com/security/cve/CVE-2020-12418 https://access.redhat.com/security/cve/CVE-2020-12419 https://access.redhat.com/security/cve/CVE-2020-12420 https://access.redhat.com/security/cve/CVE-2020-12421 https://access.redhat.com/security/updates/classification/#important https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/
Package List
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
thunderbird-68.10.0-1.el8_1.src.rpm
ppc64le:
thunderbird-68.10.0-1.el8_1.ppc64le.rpm
thunderbird-debuginfo-68.10.0-1.el8_1.ppc64le.rpm
thunderbird-debugsource-68.10.0-1.el8_1.ppc64le.rpm
x86_64:
thunderbird-68.10.0-1.el8_1.x86_64.rpm
thunderbird-debuginfo-68.10.0-1.el8_1.x86_64.rpm
thunderbird-debugsource-68.10.0-1.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
1853014 - CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64
1853015 - CVE-2020-12418 Mozilla: Information disclosure due to manipulated URL object
1853016 - CVE-2020-12419 Mozilla: Use-after-free in nsGlobalWindowInner
1853017 - CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server
1853018 - CVE-2020-12421 Mozilla: Add-On updates did not respect the same certificate trust rules as software updates
