firefox security update

2020-11-1913:49:09

CentOS Project

lists.centos.org

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.924 High

EPSS

Percentile

99.0%

JSON

CentOS Errata and Security Advisory CESA-2020:5099

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

This update upgrades Firefox to version 78.4.1 ESR.

Security Fix(es):

Mozilla: Write side effects in MCallGetProperty opcode not accounted for (CVE-2020-26950)

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-November/085997.html

Affected packages:
firefox

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:5099

OSVersionArchitecturePackageVersionFilename
CentOS7i686firefox< 78.4.1-1.el7.centosfirefox-78.4.1-1.el7.centos.i686.rpm
CentOS7x86_64firefox< 78.4.1-1.el7.centosfirefox-78.4.1-1.el7.centos.x86_64.rpm

OS	Version	Architecture	Package	Version	Filename
CentOS	7	i686	firefox	< 78.4.1-1.el7.centos	firefox-78.4.1-1.el7.centos.i686.rpm
CentOS	7	x86_64	firefox	< 78.4.1-1.el7.centos	firefox-78.4.1-1.el7.centos.x86_64.rpm