RHSA-2019:3281: Critical: firefox security update

Published Oct 31, 2019
·
Updated

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.This update upgrades Firefox to version 68.2.0 ESR.Security Fix(es): Mozilla: Memory safety bugs fixed in Firefox 70 and Firefox ESR 68.2 (CVE-2019-11764) Mozilla: Use-after-free when creating index updates in IndexedDB (CVE-2019-11757) Mozilla: Potentially exploitable crash due to 360 Total Security (CVE-2019-11758) Mozilla: Stack buffer overflow in HKDF output (CVE-2019-11759) Mozilla: Stack buffer overflow in WebRTC networking (CVE-2019-11760) Mozilla: Unintended access to a privileged JSONView object (CVE-2019-11761) Mozilla: document.domain-based origin isolation has same-origin-property violation (CVE-2019-11762) Mozilla: Incorrect HTML parsing results in XSS bypass technique (CVE-2019-11763) 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.

Affected Software

4 affected componentsFixes available
redhat/firefox<68.2.0-4.el6_10
68.2.0-4.el6_10
redhat/firefox<68.2.0-4.el6_10
68.2.0-4.el6_10
redhat/firefox-debuginfo<68.2.0-4.el6_10
68.2.0-4.el6_10
redhat/firefox-debuginfo<68.2.0-4.el6_10
68.2.0-4.el6_10

Remediation

Event History

May 29, 2026
Advisory Published
via Red Hat·02:44 PM
Data Sourced
via Red Hat·02:44 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2019:3281?

RHSA-2019:3281 addresses memory safety bugs in Firefox categorized as moderate severity.

2

How do I fix RHSA-2019:3281?

To fix RHSA-2019:3281, upgrade Firefox to version 68.2.0 ESR.

3

What versions of Firefox are affected by RHSA-2019:3281?

RHSA-2019:3281 affects Firefox versions prior to 68.2.0 ESR.

4

Are there any known exploits for RHSA-2019:3281?

As of the advisory, no public exploits have been specifically noted for RHSA-2019:3281.

5

What is the main issue addressed by RHSA-2019:3281?

RHSA-2019:3281 primarily addresses memory safety bugs in Firefox that could lead to potential security vulnerabilities.

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RHSA-2019:3281 - Critical: firefox security update - SecAlerts