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RHSA-2021:0990: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. 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  • CVE-2021-4127: Mozilla: Angle graphics library out of date
  • CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read
  • CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage
  • CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information
  • CVE-2021-23987: Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9
Red Hat Security Data
#vulnerability#web#linux#red_hat#ibm#firefox#sap

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.

Red Hat Product Security has rated this update as having a security impact of Critical. 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 78.9.0 ESR.

Security Fix(es):

  • Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)
  • Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)
  • Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)
  • Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)

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 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.4 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.4 x86_64
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64

Fixes

  • BZ - 1942783 - CVE-2021-23981 Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read
  • BZ - 1942785 - CVE-2021-23982 Mozilla: Internal network hosts could have been probed by a malicious webpage
  • BZ - 1942786 - CVE-2021-23984 Mozilla: Malicious extensions could have spoofed popup information
  • BZ - 1942787 - CVE-2021-23987 Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9

CVEs

  • CVE-2021-23981
  • CVE-2021-23982
  • CVE-2021-23984
  • CVE-2021-23987

Red Hat Enterprise Linux for x86_64 8

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux Server - AUS 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux Server - AUS 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux for IBM z Systems 8

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

s390x

firefox-78.9.0-1.el8_3.s390x.rpm

SHA-256: 51de4045699c84b064c2df0a7a26be32b901524fd60dbf7b3de8c806d2f3cf66

firefox-debuginfo-78.9.0-1.el8_3.s390x.rpm

SHA-256: a64428283f58e97f925309b6715b5e5b268e657aa83b8fd1481a4e50943ec58a

firefox-debugsource-78.9.0-1.el8_3.s390x.rpm

SHA-256: 192da286b4bee6089d21e4ba8e39c5a29c768003a5737c233cc1b1fbb003bed0

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

s390x

firefox-78.9.0-1.el8_3.s390x.rpm

SHA-256: 51de4045699c84b064c2df0a7a26be32b901524fd60dbf7b3de8c806d2f3cf66

firefox-debuginfo-78.9.0-1.el8_3.s390x.rpm

SHA-256: a64428283f58e97f925309b6715b5e5b268e657aa83b8fd1481a4e50943ec58a

firefox-debugsource-78.9.0-1.el8_3.s390x.rpm

SHA-256: 192da286b4bee6089d21e4ba8e39c5a29c768003a5737c233cc1b1fbb003bed0

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

s390x

firefox-78.9.0-1.el8_3.s390x.rpm

SHA-256: 51de4045699c84b064c2df0a7a26be32b901524fd60dbf7b3de8c806d2f3cf66

firefox-debuginfo-78.9.0-1.el8_3.s390x.rpm

SHA-256: a64428283f58e97f925309b6715b5e5b268e657aa83b8fd1481a4e50943ec58a

firefox-debugsource-78.9.0-1.el8_3.s390x.rpm

SHA-256: 192da286b4bee6089d21e4ba8e39c5a29c768003a5737c233cc1b1fbb003bed0

Red Hat Enterprise Linux for Power, little endian 8

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

ppc64le

firefox-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 3ca1dd9fa63453baa1b421269dd4e72ff0269e27b9114d646a077aaa6be66ff4

firefox-debuginfo-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: af748a0b4b7dd37f592e0cea285d2e2b794e01e172b1a9e6ce31986a595d235e

firefox-debugsource-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 261d40ea5d7df0602e1d0b6a0fa3eac118f4d846af4e883176eae2d8b5565079

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

ppc64le

firefox-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 3ca1dd9fa63453baa1b421269dd4e72ff0269e27b9114d646a077aaa6be66ff4

firefox-debuginfo-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: af748a0b4b7dd37f592e0cea285d2e2b794e01e172b1a9e6ce31986a595d235e

firefox-debugsource-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 261d40ea5d7df0602e1d0b6a0fa3eac118f4d846af4e883176eae2d8b5565079

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

ppc64le

firefox-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 3ca1dd9fa63453baa1b421269dd4e72ff0269e27b9114d646a077aaa6be66ff4

firefox-debuginfo-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: af748a0b4b7dd37f592e0cea285d2e2b794e01e172b1a9e6ce31986a595d235e

firefox-debugsource-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 261d40ea5d7df0602e1d0b6a0fa3eac118f4d846af4e883176eae2d8b5565079

Red Hat Enterprise Linux Server - TUS 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux Server - TUS 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux for ARM 64 8

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

aarch64

firefox-78.9.0-1.el8_3.aarch64.rpm

SHA-256: 715caced6d025c4125cca77ef235850fc638fbf420bfce60caecbf43b5011e9c

firefox-debuginfo-78.9.0-1.el8_3.aarch64.rpm

SHA-256: d5602201e27ab58ba839783d4357bd33caef65704f3a717a0aeeee094a5a67be

firefox-debugsource-78.9.0-1.el8_3.aarch64.rpm

SHA-256: f7ea1086ab2238b0ebfcb5cb8d95f70f2aae9a5e9e4b1a41d1a601164c8d410a

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

aarch64

firefox-78.9.0-1.el8_3.aarch64.rpm

SHA-256: 715caced6d025c4125cca77ef235850fc638fbf420bfce60caecbf43b5011e9c

firefox-debuginfo-78.9.0-1.el8_3.aarch64.rpm

SHA-256: d5602201e27ab58ba839783d4357bd33caef65704f3a717a0aeeee094a5a67be

firefox-debugsource-78.9.0-1.el8_3.aarch64.rpm

SHA-256: f7ea1086ab2238b0ebfcb5cb8d95f70f2aae9a5e9e4b1a41d1a601164c8d410a

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

aarch64

firefox-78.9.0-1.el8_3.aarch64.rpm

SHA-256: 715caced6d025c4125cca77ef235850fc638fbf420bfce60caecbf43b5011e9c

firefox-debuginfo-78.9.0-1.el8_3.aarch64.rpm

SHA-256: d5602201e27ab58ba839783d4357bd33caef65704f3a717a0aeeee094a5a67be

firefox-debugsource-78.9.0-1.el8_3.aarch64.rpm

SHA-256: f7ea1086ab2238b0ebfcb5cb8d95f70f2aae9a5e9e4b1a41d1a601164c8d410a

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

ppc64le

firefox-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 3ca1dd9fa63453baa1b421269dd4e72ff0269e27b9114d646a077aaa6be66ff4

firefox-debuginfo-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: af748a0b4b7dd37f592e0cea285d2e2b794e01e172b1a9e6ce31986a595d235e

firefox-debugsource-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 261d40ea5d7df0602e1d0b6a0fa3eac118f4d846af4e883176eae2d8b5565079

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

ppc64le

firefox-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 3ca1dd9fa63453baa1b421269dd4e72ff0269e27b9114d646a077aaa6be66ff4

firefox-debuginfo-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: af748a0b4b7dd37f592e0cea285d2e2b794e01e172b1a9e6ce31986a595d235e

firefox-debugsource-78.9.0-1.el8_3.ppc64le.rpm

SHA-256: 261d40ea5d7df0602e1d0b6a0fa3eac118f4d846af4e883176eae2d8b5565079

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4

SRPM

firefox-78.9.0-1.el8_3.src.rpm

SHA-256: 035f57ad4fe32e654e5f5539acf18b34bf3a483b61e56cad069fed33baaa06c0

x86_64

firefox-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 0b44467c91551de2020a414af4c9f9ffa6455a8c229a51ad672874bfae2c4263

firefox-debuginfo-78.9.0-1.el8_3.x86_64.rpm

SHA-256: 67d5789035ba507a7720139e55257bf6bd1a97c7aae2d71c49f5bc3bd1bb51f5

firefox-debugsource-78.9.0-1.el8_3.x86_64.rpm

SHA-256: dce4797f00ee629459afdab05bbab02e3a2ebf99ab2083dc24ac46bc3196df85

Related news

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

CVE-2021-4127: Security Vulnerabilities fixed in Firefox ESR 78.9

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

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RHSA-2021:0996: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 7. 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-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0994: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 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-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup...

RHSA-2021:0989: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Critical. 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-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup info...

RHSA-2021:0993: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8. 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-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup information * CVE-2021-23...

RHSA-2021:0995: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup...

RHSA-2021:0991: 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 Critical. 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-2021-4127: Mozilla: Angle graphics library out of date * CVE-2021-23981: Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Mozilla: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Mozilla: Malicious extensions could have spoofed popup info...