firefox security update

CentOS Errata and Security Advisory CESA-2020:0086

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

This update upgrades Firefox to version 68.4.1 ESR.

Security Fix(es):

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

• 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: 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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2020-January/085721.html

Affected packages:
firefox

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:0086