RHSA-2022:6179 - Security Advisory

Topic

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.

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.

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 Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

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

CVEs

• CVE-2022-38472
• CVE-2022-38473
• CVE-2022-38476
• CVE-2022-38477
• CVE-2022-38478

References

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