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RHSA-2021:3501: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Related CVEs:

  • CVE-2021-38493: Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1
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#vulnerability#web#linux#red_hat#nodejs#js#java#kubernetes#aws#ibm#firefox#sap

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Issued:

2021-09-13

Updated:

2021-09-13

RHSA-2021:3501 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: firefox security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to take effect.

Affected Products

  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions 8.1 x86_64

Fixes

  • BZ - 2002119 - CVE-2021-38493 Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1

SRPM

firefox-78.14.0-1.el8_1.src.rpm

SHA-256: 69ba1111889b11bace52bb32fad2fce443c00171aecbbdf0b69d61e2569f0adc

x86_64

firefox-78.14.0-1.el8_1.x86_64.rpm

SHA-256: b289a7a6fc3f663e44d4003541c28fbf648db7b6003c6db6eeed2ccb92e84bbe

firefox-debuginfo-78.14.0-1.el8_1.x86_64.rpm

SHA-256: ba62fdd000c29ab222f27e7a3f02a37861f6e3ce027d8ab7bb712bcfd0383246

firefox-debugsource-78.14.0-1.el8_1.x86_64.rpm

SHA-256: e6eebaef866a183065ef1686c00b7524174e043674dcfc7fb83d8ee1855576ee

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1

SRPM

firefox-78.14.0-1.el8_1.src.rpm

SHA-256: 69ba1111889b11bace52bb32fad2fce443c00171aecbbdf0b69d61e2569f0adc

s390x

firefox-78.14.0-1.el8_1.s390x.rpm

SHA-256: 7a33ccafc7f18a95a57c8ecea1bffdd79ba36be8f8438d5028213d9fadfddd08

firefox-debuginfo-78.14.0-1.el8_1.s390x.rpm

SHA-256: b42fcc606caaccdd038b2158e285169b496a97f3d54cc57aeb2f0969472d4589

firefox-debugsource-78.14.0-1.el8_1.s390x.rpm

SHA-256: 6e600f22d110879ca2c31a170a5374ad644ebb24e6a2d10202582491da9114e0

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1

SRPM

firefox-78.14.0-1.el8_1.src.rpm

SHA-256: 69ba1111889b11bace52bb32fad2fce443c00171aecbbdf0b69d61e2569f0adc

ppc64le

firefox-78.14.0-1.el8_1.ppc64le.rpm

SHA-256: f6a342de1706b3217426df2d9f4d2aff64d32e5afb03582176451f696321ef79

firefox-debuginfo-78.14.0-1.el8_1.ppc64le.rpm

SHA-256: 4a88c9277cf51c96383744d3cf47c7e19607f39bc7b3fc85ec0f57e6617df914

firefox-debugsource-78.14.0-1.el8_1.ppc64le.rpm

SHA-256: 6c38ba8df7519f242fd75393bc14c1b6b25b667529bba9893c3aff31c5f09503

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1

SRPM

firefox-78.14.0-1.el8_1.src.rpm

SHA-256: 69ba1111889b11bace52bb32fad2fce443c00171aecbbdf0b69d61e2569f0adc

aarch64

firefox-78.14.0-1.el8_1.aarch64.rpm

SHA-256: dee405d574959166e13cdead4d4d5367279e11722a4adb49a9c321e9ed388d72

firefox-debuginfo-78.14.0-1.el8_1.aarch64.rpm

SHA-256: 4f710021b53b8f78f57d6c356cffe4bc4808942a66c4be8897fda7d7a9b47fc4

firefox-debugsource-78.14.0-1.el8_1.aarch64.rpm

SHA-256: 5560875da3e0aa1fd6dec41e1c41d999223d522a0bfde626c6f2c11a2e6be3b5

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1

SRPM

firefox-78.14.0-1.el8_1.src.rpm

SHA-256: 69ba1111889b11bace52bb32fad2fce443c00171aecbbdf0b69d61e2569f0adc

ppc64le

firefox-78.14.0-1.el8_1.ppc64le.rpm

SHA-256: f6a342de1706b3217426df2d9f4d2aff64d32e5afb03582176451f696321ef79

firefox-debuginfo-78.14.0-1.el8_1.ppc64le.rpm

SHA-256: 4a88c9277cf51c96383744d3cf47c7e19607f39bc7b3fc85ec0f57e6617df914

firefox-debugsource-78.14.0-1.el8_1.ppc64le.rpm

SHA-256: 6c38ba8df7519f242fd75393bc14c1b6b25b667529bba9893c3aff31c5f09503

Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions 8.1

SRPM

firefox-78.14.0-1.el8_1.src.rpm

SHA-256: 69ba1111889b11bace52bb32fad2fce443c00171aecbbdf0b69d61e2569f0adc

x86_64

firefox-78.14.0-1.el8_1.x86_64.rpm

SHA-256: b289a7a6fc3f663e44d4003541c28fbf648db7b6003c6db6eeed2ccb92e84bbe

firefox-debuginfo-78.14.0-1.el8_1.x86_64.rpm

SHA-256: ba62fdd000c29ab222f27e7a3f02a37861f6e3ce027d8ab7bb712bcfd0383246

firefox-debugsource-78.14.0-1.el8_1.x86_64.rpm

SHA-256: e6eebaef866a183065ef1686c00b7524174e043674dcfc7fb83d8ee1855576ee

The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.

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Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.

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