Important: firefox security update

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.4 Extended Update Support.

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.

Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 91.8.0 ESR.

Security Fix(es):

• Mozilla: Use-after-free in NSSToken objects (CVE-2022-1097)
• Mozilla: Out of bounds write due to unexpected WebAuthN Extensions (CVE-2022-28281)
• Mozilla: Memory safety bugs fixed in Firefox 99 and Firefox ESR 91.8 (CVE-2022-28289)
• Mozilla: Use-after-free after VR Process destruction (CVE-2022-1196)
• Mozilla: Use-after-free in DocumentL10n::TranslateDocument (CVE-2022-28282)
• Mozilla: Incorrect AliasSet used in JIT Codegen (CVE-2022-28285)
• Mozilla: Denial of Service via complex regular expressions (CVE-2022-24713)
• Mozilla: iframe contents could be rendered outside the border (CVE-2022-28286)

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.

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.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64

Fixes

• BZ - 2072559 - CVE-2022-1097 Mozilla: Use-after-free in NSSToken objects
• BZ - 2072560 - CVE-2022-28281 Mozilla: Out of bounds write due to unexpected WebAuthN Extensions
• BZ - 2072561 - CVE-2022-1196 Mozilla: Use-after-free after VR Process destruction
• BZ - 2072562 - CVE-2022-28282 Mozilla: Use-after-free in DocumentL10n::TranslateDocument
• BZ - 2072563 - CVE-2022-28285 Mozilla: Incorrect AliasSet used in JIT Codegen
• BZ - 2072564 - CVE-2022-28286 Mozilla: iframe contents could be rendered outside the border
• BZ - 2072565 - CVE-2022-24713 Mozilla: Denial of Service via complex regular expressions
• BZ - 2072566 - CVE-2022-28289 Mozilla: Memory safety bugs fixed in Firefox 99 and Firefox ESR 91.8

CVEs

• CVE-2022-1097
• CVE-2022-1196
• CVE-2022-24713
• CVE-2022-28281
• CVE-2022-28282
• CVE-2022-28285
• CVE-2022-28286
• CVE-2022-28289

References

• https://access.redhat.com/security/updates/classification/#important