[RHSA-2022:7071-01] Important: firefox security update

Thu Oct 20 20:56:33 UTC 2022

An update for firefox is now available for Red Hat Enterprise Linux 9.

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 9) - 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 102.4.0 ESR.

Security Fix(es):

* Mozilla: Same-origin policy violation could have leaked cross-origin URLs
(CVE-2022-42927)

* Mozilla: Memory Corruption in JS Engine (CVE-2022-42928)

* Mozilla: Denial of Service via window.print (CVE-2022-42929)

* Mozilla: Memory safety bugs fixed in Firefox 106 and Firefox ESR 102.4
(CVE-2022-42932)

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/):

2136156 - CVE-2022-42927 Mozilla: Same-origin policy violation could have leaked cross-origin URLs
2136157 - CVE-2022-42928 Mozilla: Memory Corruption in JS Engine
2136158 - CVE-2022-42929 Mozilla: Denial of Service via window.print
2136159 - CVE-2022-42932 Mozilla: Memory safety bugs fixed in Firefox 106 and Firefox ESR 102.4

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
firefox-102.4.0-1.el9_0.src.rpm

aarch64:
firefox-102.4.0-1.el9_0.aarch64.rpm
firefox-debuginfo-102.4.0-1.el9_0.aarch64.rpm
firefox-debugsource-102.4.0-1.el9_0.aarch64.rpm

ppc64le:
firefox-102.4.0-1.el9_0.ppc64le.rpm
firefox-debuginfo-102.4.0-1.el9_0.ppc64le.rpm
firefox-debugsource-102.4.0-1.el9_0.ppc64le.rpm

s390x:
firefox-102.4.0-1.el9_0.s390x.rpm
firefox-debuginfo-102.4.0-1.el9_0.s390x.rpm
firefox-debugsource-102.4.0-1.el9_0.s390x.rpm

x86_64:
firefox-102.4.0-1.el9_0.x86_64.rpm
firefox-debuginfo-102.4.0-1.el9_0.x86_64.rpm
firefox-debugsource-102.4.0-1.el9_0.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-2022-42927
https://access.redhat.com/security/cve/CVE-2022-42928
https://access.redhat.com/security/cve/CVE-2022-42929
https://access.redhat.com/security/cve/CVE-2022-42932
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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