what you don't know can hurt you

Red Hat Security Advisory 2020-5139-01

Red Hat Security Advisory 2020-5139-01
Posted Nov 18, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5139-01 - 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.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2020-26950
MD5 | 70822c752fdfb208443cbe1896de0c2e

Red Hat Security Advisory 2020-5139-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Critical: firefox security update
Advisory ID: RHSA-2020:5139-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5139
Issue date: 2020-11-17
CVE Names: CVE-2020-26950
====================================================================
1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.2
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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - 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. 8.2):

Source:
firefox-78.4.1-1.el8_2.src.rpm

aarch64:
firefox-78.4.1-1.el8_2.aarch64.rpm
firefox-debuginfo-78.4.1-1.el8_2.aarch64.rpm
firefox-debugsource-78.4.1-1.el8_2.aarch64.rpm

ppc64le:
firefox-78.4.1-1.el8_2.ppc64le.rpm
firefox-debuginfo-78.4.1-1.el8_2.ppc64le.rpm
firefox-debugsource-78.4.1-1.el8_2.ppc64le.rpm

s390x:
firefox-78.4.1-1.el8_2.s390x.rpm
firefox-debuginfo-78.4.1-1.el8_2.s390x.rpm
firefox-debugsource-78.4.1-1.el8_2.s390x.rpm

x86_64:
firefox-78.4.1-1.el8_2.x86_64.rpm
firefox-debuginfo-78.4.1-1.el8_2.x86_64.rpm
firefox-debugsource-78.4.1-1.el8_2.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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EHdS
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

December 2020

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Dec 1st
    22 Files
  • 2
    Dec 2nd
    0 Files
  • 3
    Dec 3rd
    0 Files
  • 4
    Dec 4th
    0 Files
  • 5
    Dec 5th
    0 Files
  • 6
    Dec 6th
    0 Files
  • 7
    Dec 7th
    0 Files
  • 8
    Dec 8th
    0 Files
  • 9
    Dec 9th
    0 Files
  • 10
    Dec 10th
    0 Files
  • 11
    Dec 11th
    0 Files
  • 12
    Dec 12th
    0 Files
  • 13
    Dec 13th
    0 Files
  • 14
    Dec 14th
    0 Files
  • 15
    Dec 15th
    0 Files
  • 16
    Dec 16th
    0 Files
  • 17
    Dec 17th
    0 Files
  • 18
    Dec 18th
    0 Files
  • 19
    Dec 19th
    0 Files
  • 20
    Dec 20th
    0 Files
  • 21
    Dec 21st
    0 Files
  • 22
    Dec 22nd
    0 Files
  • 23
    Dec 23rd
    0 Files
  • 24
    Dec 24th
    0 Files
  • 25
    Dec 25th
    0 Files
  • 26
    Dec 26th
    0 Files
  • 27
    Dec 27th
    0 Files
  • 28
    Dec 28th
    0 Files
  • 29
    Dec 29th
    0 Files
  • 30
    Dec 30th
    0 Files
  • 31
    Dec 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close