8.8 - RHSA-2020:0292

Problem Description:

An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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 AppStream E4S (v. 8.0) - ppc64le, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 68.4.1.

Security Fix(es):

* Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)

* Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

* Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

* Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)

* Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)

* Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)

* Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

* Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

* Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

* Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

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/):

1779431 - CVE-2019-17008 Mozilla: Use-after-free in worker destruction 1779434 - CVE-2019-17010 Mozilla: Use-after-free when performing device orientation checks 1779435 - CVE-2019-17005 Mozilla: Buffer overflow in plain text serializer 1779436 - CVE-2019-17011 Mozilla: Use-after-free when retrieving a document in antitracking 1779437 - CVE-2019-17012 Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 1788723 - CVE-2019-17016 Mozilla: Bypass of @namespace CSS sanitization during pasting 1788724 - CVE-2019-17017 Mozilla: Type Confusion in XPCVariant.cpp 1788726 - CVE-2019-17022 Mozilla: CSS sanitization does not escape HTML tags 1788727 - CVE-2019-17024 Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 1789214 - CVE-2019-17026 Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement