-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2022:4765-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:4765
Issue date:        2022-05-27
CVE Names:         CVE-2022-1529 CVE-2022-1802 
=====================================================================

1. Summary:

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 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 (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 91.9.1 ESR.

Security Fix(es):

* Mozilla: Untrusted input used in JavaScript object indexing, leading to
prototype pollution (CVE-2022-1529)

* Mozilla: Prototype pollution in Top-Level Await implementation
(CVE-2022-1802)

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/):

2089217 - CVE-2022-1802 Mozilla: Prototype pollution in Top-Level Await implementation
2089218 - CVE-2022-1529 Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
firefox-91.9.1-1.el9_0.src.rpm

aarch64:
firefox-91.9.1-1.el9_0.aarch64.rpm
firefox-debuginfo-91.9.1-1.el9_0.aarch64.rpm
firefox-debugsource-91.9.1-1.el9_0.aarch64.rpm

ppc64le:
firefox-91.9.1-1.el9_0.ppc64le.rpm
firefox-debuginfo-91.9.1-1.el9_0.ppc64le.rpm
firefox-debugsource-91.9.1-1.el9_0.ppc64le.rpm

s390x:
firefox-91.9.1-1.el9_0.s390x.rpm
firefox-debuginfo-91.9.1-1.el9_0.s390x.rpm
firefox-debugsource-91.9.1-1.el9_0.s390x.rpm

x86_64:
firefox-91.9.1-1.el9_0.x86_64.rpm
firefox-debuginfo-91.9.1-1.el9_0.x86_64.rpm
firefox-debugsource-91.9.1-1.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-2022-1529
https://access.redhat.com/security/cve/CVE-2022-1802
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 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=RcK1
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce