6.8 - RHSA-2019:0672

Problem Description:

An update for firefox 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 Desktop Optional (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.6.1 ESR.

Security Fix(es):

* Mozilla: IonMonkey MArraySlice has incorrect alias information (CVE-2019-9810)

* Mozilla: Ionmonkey type confusion with __proto__ mutations (CVE-2019-9813)

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

After installing the update, Firefox must be restarted for the changes to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1692181 - CVE-2019-9810 Mozilla: IonMonkey MArraySlice has incorrect alias information 1692182 - CVE-2019-9813 Mozilla: Ionmonkey type confusion with __proto__ mutations