Alerts This Week
Warning Icon 1 923
Alerts This Week
Warning Icon 1 923

Red Hat: RHSA-2020-1340-01 Critical: Firefox Security Update Issues

red hat
Calendar Grey April 7, 2020
Dist Redhat Esm H88
Important security patch released for Mozilla Firefox on CentOS, rectifying major weaknesses.
An update for firefox is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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.

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 68.6.1 ESR.
Security Fix(es):
* Mozilla: Use-after-free while running the nsDocShell destructor (CVE-2020-6819)
* Mozilla: Use-after-free when handling a ReadableStream (CVE-2020-6820)
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.

Topics%20covered

Topics Covered

security advisory security issue Red Hat critical software update firefox web browser

References

https://access.redhat.com/security/cve/CVE-2020-6819 https://access.redhat.com/security/cve/CVE-2020-6820 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source: firefox-68.6.1-1.el8_0.src.rpm
aarch64: firefox-68.6.1-1.el8_0.aarch64.rpm firefox-debuginfo-68.6.1-1.el8_0.aarch64.rpm firefox-debugsource-68.6.1-1.el8_0.aarch64.rpm
ppc64le: firefox-68.6.1-1.el8_0.ppc64le.rpm firefox-debuginfo-68.6.1-1.el8_0.ppc64le.rpm firefox-debugsource-68.6.1-1.el8_0.ppc64le.rpm
s390x: firefox-68.6.1-1.el8_0.s390x.rpm firefox-debuginfo-68.6.1-1.el8_0.s390x.rpm firefox-debugsource-68.6.1-1.el8_0.s390x.rpm
x86_64: firefox-68.6.1-1.el8_0.x86_64.rpm firefox-debuginfo-68.6.1-1.el8_0.x86_64.rpm firefox-debugsource-68.6.1-1.el8_0.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


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1340-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1340
Issue date: 2020-04-07

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat critical software update firefox web browser

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1820869 - CVE-2020-6819 Mozilla: Use-after-free while running the nsDocShell destructor

1820878 - CVE-2020-6820 Mozilla: Use-after-free when handling a ReadableStream

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here