[RHSA-2022:6179-01] Important: firefox security update

Thu Aug 25 00:09:08 UTC 2022

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 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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 91.13.0 ESR.

Security Fix(es):

* Mozilla: Address bar spoofing via XSLT error handling (CVE-2022-38472)

* Mozilla: Cross-origin XSLT Documents would have inherited the parent's
permissions (CVE-2022-38473)

* Mozilla: Memory safety bugs fixed in Firefox 104 and Firefox ESR 102.2
(CVE-2022-38477)

* Mozilla: Memory safety bugs fixed in Firefox 104, Firefox ESR 102.2, and
Firefox ESR 91.13 (CVE-2022-38478)

* Mozilla: Data race and potential use-after-free in PK11_ChangePW
(CVE-2022-38476)

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/):

2120673 - CVE-2022-38472 Mozilla: Address bar spoofing via XSLT error handling
2120674 - CVE-2022-38473 Mozilla: Cross-origin XSLT Documents would have inherited the parent's permissions
2120678 - CVE-2022-38476 Mozilla: Data race and potential use-after-free in PK11_ChangePW
2120695 - CVE-2022-38477 Mozilla: Memory safety bugs fixed in Firefox 104 and Firefox ESR 102.2
2120696 - CVE-2022-38478 Mozilla: Memory safety bugs fixed in Firefox 104, Firefox ESR 102.2, and Firefox ESR 91.13

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
firefox-91.13.0-1.el7_9.src.rpm

x86_64:
firefox-91.13.0-1.el7_9.x86_64.rpm
firefox-debuginfo-91.13.0-1.el7_9.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
firefox-91.13.0-1.el7_9.i686.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
firefox-91.13.0-1.el7_9.src.rpm

ppc64:
firefox-91.13.0-1.el7_9.ppc64.rpm
firefox-debuginfo-91.13.0-1.el7_9.ppc64.rpm

ppc64le:
firefox-91.13.0-1.el7_9.ppc64le.rpm
firefox-debuginfo-91.13.0-1.el7_9.ppc64le.rpm

s390x:
firefox-91.13.0-1.el7_9.s390x.rpm
firefox-debuginfo-91.13.0-1.el7_9.s390x.rpm

x86_64:
firefox-91.13.0-1.el7_9.x86_64.rpm
firefox-debuginfo-91.13.0-1.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

x86_64:
firefox-91.13.0-1.el7_9.i686.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
firefox-91.13.0-1.el7_9.src.rpm

x86_64:
firefox-91.13.0-1.el7_9.x86_64.rpm
firefox-debuginfo-91.13.0-1.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
firefox-91.13.0-1.el7_9.i686.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-2022-38472
https://access.redhat.com/security/cve/CVE-2022-38473
https://access.redhat.com/security/cve/CVE-2022-38476
https://access.redhat.com/security/cve/CVE-2022-38477
https://access.redhat.com/security/cve/CVE-2022-38478
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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