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centosCentOS ProjectCESA-2021:3498
HistorySep 16, 2021 - 1:39 p.m.

firefox security update

2021-09-1613:39:10
CentOS Project
lists.centos.org
315
mozilla
memory safety bugs
cve-2021-38493
centos
security advisory
firefox
version 78.14.0 esr

CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

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

EPSS

0.004

Percentile

74.7%

CentOS Errata and Security Advisory CESA-2021:3498

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

This update upgrades Firefox to version 78.14.0 ESR.

Security Fix(es):

  • Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1 (CVE-2021-38493)

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-September/086155.html

Affected packages:
firefox

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:3498

OSVersionArchitecturePackageVersionFilename
CentOS7i686firefox< 78.14.0-1.el7.centosfirefox-78.14.0-1.el7.centos.i686.rpm
CentOS7x86_64firefox< 78.14.0-1.el7.centosfirefox-78.14.0-1.el7.centos.x86_64.rpm

CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

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

EPSS

0.004

Percentile

74.7%