(RHSA-2020:0086) Critical: firefox security update

ID RHSA-2020:0086
Type redhat
Reporter RedHat
Modified 2020-01-13T13:45:40


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.