Red Hat Security Advisory: firefox security update
An update for firefox is now available for Red Hat Enterprise Linux 7. 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.
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-6820US | high8.1OT critical | KEV | ||
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerab… | ||||
| CVE-2020-6819US | high8.1OT critical | KEV | ||
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This… | ||||
references
External citations — patches, advisories, analysis.
remediations (42)
- Fixedfirefox-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.src as a component of Red Hat Enterprise Linux Client (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.src as a component of Red Hat Enterprise Linux Client (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.src as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.src as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338 - Fixedfirefox-debuginfo-0:68.6.1-1.el7_8.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
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.
https://access.redhat.com/errata/RHSA-2020:1338
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