Red Hat Security Advisory 2020-5135-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.4.1 ESR.
bdb082512a5702110545840f89df22a3a7b5d1b13254ac77f53b3a6862b57f67
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Critical: firefox security update
Advisory ID: RHSA-2020:5135-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5135
Issue date: 2020-11-17
CVE Names: CVE-2020-26950
====================================================================
1. Summary:
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64
3. Description:
Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.
This update upgrades Firefox to version 78.4.1 ESR.
Security Fix(es):
* Mozilla: Write side effects in MCallGetProperty opcode not accounted for
(CVE-2020-26950)
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.
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1896306 - CVE-2020-26950 Mozilla: Write side effects in MCallGetProperty opcode not accounted for
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
firefox-78.4.1-1.el8_1.src.rpm
aarch64:
firefox-78.4.1-1.el8_1.aarch64.rpm
firefox-debuginfo-78.4.1-1.el8_1.aarch64.rpm
firefox-debugsource-78.4.1-1.el8_1.aarch64.rpm
ppc64le:
firefox-78.4.1-1.el8_1.ppc64le.rpm
firefox-debuginfo-78.4.1-1.el8_1.ppc64le.rpm
firefox-debugsource-78.4.1-1.el8_1.ppc64le.rpm
s390x:
firefox-78.4.1-1.el8_1.s390x.rpm
firefox-debuginfo-78.4.1-1.el8_1.s390x.rpm
firefox-debugsource-78.4.1-1.el8_1.s390x.rpm
x86_64:
firefox-78.4.1-1.el8_1.x86_64.rpm
firefox-debuginfo-78.4.1-1.el8_1.x86_64.rpm
firefox-debugsource-78.4.1-1.el8_1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-26950
https://access.redhat.com/security/updates/classification/#critical
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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Ttbf
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce