Headline
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- CVE-2021-4127: Mozilla: Angle graphics library out of date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 information
- CVE-2021-23987: Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9
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Issued:
2021-03-25
Updated:
2021-03-25
RHSA-2021:0994 - Security Advisory
- Overview
- Updated Packages
Synopsis
Important: thunderbird 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 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.
Description
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.9.0.
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
All running instances of Thunderbird must be restarted for the update to take effect.
Affected Products
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
- Red Hat Enterprise Linux Server - AUS 8.2 x86_64
- Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
- Red Hat Enterprise Linux Server - TUS 8.2 x86_64
- Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
- Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2 ppc64le
- Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2 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-2021-4127
- CVE-2021-23981
- CVE-2021-23982
- CVE-2021-23984
- CVE-2021-23987
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2
SRPM
thunderbird-78.9.0-3.el8_2.src.rpm
SHA-256: 9304142f4bfa2b3df26e563c23de39d602f2161584fa998c15e1cd8497c4b722
x86_64
thunderbird-78.9.0-3.el8_2.x86_64.rpm
SHA-256: c7b911a8496a8d7cd5931a36a6c0cb2f9849ce2119e352cc5a8b8df23490eed5
thunderbird-debuginfo-78.9.0-3.el8_2.x86_64.rpm
SHA-256: eeba554f5e7d6709d4c8ae85ba81d52319b46d692d7e30c71ac26e1c8469bb7e
thunderbird-debugsource-78.9.0-3.el8_2.x86_64.rpm
SHA-256: 5e6f90109b9269d2a6147ff9dd5a16dbbe7cdf4ef6b1b1e6fa6543823ef2e87e
Red Hat Enterprise Linux Server - AUS 8.2
SRPM
thunderbird-78.9.0-3.el8_2.src.rpm
SHA-256: 9304142f4bfa2b3df26e563c23de39d602f2161584fa998c15e1cd8497c4b722
x86_64
thunderbird-78.9.0-3.el8_2.x86_64.rpm
SHA-256: c7b911a8496a8d7cd5931a36a6c0cb2f9849ce2119e352cc5a8b8df23490eed5
thunderbird-debuginfo-78.9.0-3.el8_2.x86_64.rpm
SHA-256: eeba554f5e7d6709d4c8ae85ba81d52319b46d692d7e30c71ac26e1c8469bb7e
thunderbird-debugsource-78.9.0-3.el8_2.x86_64.rpm
SHA-256: 5e6f90109b9269d2a6147ff9dd5a16dbbe7cdf4ef6b1b1e6fa6543823ef2e87e
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2
SRPM
thunderbird-78.9.0-3.el8_2.src.rpm
SHA-256: 9304142f4bfa2b3df26e563c23de39d602f2161584fa998c15e1cd8497c4b722
ppc64le
thunderbird-78.9.0-3.el8_2.ppc64le.rpm
SHA-256: 395debd5a461bf6152b62a34eed4a9081d91fddf010b7a22800920a15bf650c8
thunderbird-debuginfo-78.9.0-3.el8_2.ppc64le.rpm
SHA-256: 8a6cfb9d063aea630dde15f9e452d6294192296522331ef3efc2b552ea80af92
thunderbird-debugsource-78.9.0-3.el8_2.ppc64le.rpm
SHA-256: 7c7a1c7648d41c7b1cc54094ad7c560edd79bc5c5133510ea62e15017f95c1e0
Red Hat Enterprise Linux Server - TUS 8.2
SRPM
thunderbird-78.9.0-3.el8_2.src.rpm
SHA-256: 9304142f4bfa2b3df26e563c23de39d602f2161584fa998c15e1cd8497c4b722
x86_64
thunderbird-78.9.0-3.el8_2.x86_64.rpm
SHA-256: c7b911a8496a8d7cd5931a36a6c0cb2f9849ce2119e352cc5a8b8df23490eed5
thunderbird-debuginfo-78.9.0-3.el8_2.x86_64.rpm
SHA-256: eeba554f5e7d6709d4c8ae85ba81d52319b46d692d7e30c71ac26e1c8469bb7e
thunderbird-debugsource-78.9.0-3.el8_2.x86_64.rpm
SHA-256: 5e6f90109b9269d2a6147ff9dd5a16dbbe7cdf4ef6b1b1e6fa6543823ef2e87e
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2
SRPM
thunderbird-78.9.0-3.el8_2.src.rpm
SHA-256: 9304142f4bfa2b3df26e563c23de39d602f2161584fa998c15e1cd8497c4b722
aarch64
thunderbird-78.9.0-3.el8_2.aarch64.rpm
SHA-256: 6f655a449929fbe8f6965bbf2b9a87f29f9953ad93a2794638cf6146461b693b
thunderbird-debuginfo-78.9.0-3.el8_2.aarch64.rpm
SHA-256: aaf0231087ec9c2ca341fca98e36e4420c526dfab63d6999771e94d4e3b59e89
thunderbird-debugsource-78.9.0-3.el8_2.aarch64.rpm
SHA-256: 9bca0e5d257c135eaedf048238a02be88f2a621a0211dcf1d220dc7fd0586e25
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2
SRPM
thunderbird-78.9.0-3.el8_2.src.rpm
SHA-256: 9304142f4bfa2b3df26e563c23de39d602f2161584fa998c15e1cd8497c4b722
ppc64le
thunderbird-78.9.0-3.el8_2.ppc64le.rpm
SHA-256: 395debd5a461bf6152b62a34eed4a9081d91fddf010b7a22800920a15bf650c8
thunderbird-debuginfo-78.9.0-3.el8_2.ppc64le.rpm
SHA-256: 8a6cfb9d063aea630dde15f9e452d6294192296522331ef3efc2b552ea80af92
thunderbird-debugsource-78.9.0-3.el8_2.ppc64le.rpm
SHA-256: 7c7a1c7648d41c7b1cc54094ad7c560edd79bc5c5133510ea62e15017f95c1e0
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2
SRPM
thunderbird-78.9.0-3.el8_2.src.rpm
SHA-256: 9304142f4bfa2b3df26e563c23de39d602f2161584fa998c15e1cd8497c4b722
x86_64
thunderbird-78.9.0-3.el8_2.x86_64.rpm
SHA-256: c7b911a8496a8d7cd5931a36a6c0cb2f9849ce2119e352cc5a8b8df23490eed5
thunderbird-debuginfo-78.9.0-3.el8_2.x86_64.rpm
SHA-256: eeba554f5e7d6709d4c8ae85ba81d52319b46d692d7e30c71ac26e1c8469bb7e
thunderbird-debugsource-78.9.0-3.el8_2.x86_64.rpm
SHA-256: 5e6f90109b9269d2a6147ff9dd5a16dbbe7cdf4ef6b1b1e6fa6543823ef2e87e
The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.
Related news
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.
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.
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.
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.
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.
An update for firefox is now available for Red Hat Enterprise Linux 7. 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: ...
An update for firefox is now available for Red Hat Enterprise Linux 7. 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: ...
An update for firefox is now available for Red Hat Enterprise Linux 7. 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: ...
An update for firefox is now available for Red Hat Enterprise Linux 7. 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: ...
An update for firefox is now available for Red Hat Enterprise Linux 7. 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: ...
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...
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...
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...
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...
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...
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...
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...
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...
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: ...
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: ...
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: ...
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: ...