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centosCentOS ProjectCESA-2021:3154
HistoryAug 18, 2021 - 4:50 p.m.

firefox security update

2021-08-1816:50:15
CentOS Project
lists.centos.org
76

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.014 Low

EPSS

Percentile

86.3%

CentOS Errata and Security Advisory CESA-2021:3154

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

This update upgrades Firefox to version 78.13.0 ESR.

Security Fix(es):

  • Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980)

  • Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984)

  • Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986)

  • Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988)

  • Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989)

  • Mozilla: Use-after-free media channels (CVE-2021-29985)

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/2021-August/086141.html

Affected packages:
firefox

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:3154

OSVersionArchitecturePackageVersionFilename
CentOS7i686firefox< 78.13.0-2.el7.centosfirefox-78.13.0-2.el7.centos.i686.rpm
CentOS7x86_64firefox< 78.13.0-2.el7.centosfirefox-78.13.0-2.el7.centos.x86_64.rpm

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.014 Low

EPSS

Percentile

86.3%