Issued:
2022-03-10
Updated:
2022-03-10

RHSA-2022:0824 - Critical: firefox security and bug fix update

Synopsis

Critical: firefox security and bug fix update

Type/Severity

Security Advisory Critical

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 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.

Description

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

This update upgrades Firefox to version 91.7.0 ESR.

Security Fix(es):

  • Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

  • Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

  • expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

  • expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

  • expat: Integer overflow in storeRawNames() (CVE-2022-25315)

  • Mozilla: Use-after-free in text reflows (CVE-2022-26381)

  • Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

  • Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

  • Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

  • Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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.

Bug Fix(es):

  • Firefox 91.3.0-1 Language packs installed at /usr/lib64/firefox/langpacks cannot be used any more (BZ#2030190)

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

ProductVersionArch
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux for Power, big endian7ppc64
Red Hat Enterprise Linux for IBM z Systems7s390x
Red Hat Enterprise Linux Workstation7x86_64
Red Hat Enterprise Linux Server7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian7ppc64
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)7s390x
Red Hat Enterprise Linux Desktop7x86_64

Updated Packages

  • firefox-91.7.0-3.el7_9.s390x.rpm
  • firefox-debuginfo-91.7.0-3.el7_9.ppc64le.rpm
  • firefox-91.7.0-3.el7_9.ppc64le.rpm
  • firefox-debuginfo-91.7.0-3.el7_9.s390x.rpm
  • firefox-debuginfo-91.7.0-3.el7_9.x86_64.rpm
  • firefox-91.7.0-3.el7_9.ppc64.rpm
  • firefox-91.7.0-3.el7_9.src.rpm
  • firefox-91.7.0-3.el7_9.i686.rpm
  • firefox-91.7.0-3.el7_9.x86_64.rpm
  • firefox-debuginfo-91.7.0-3.el7_9.ppc64.rpm

Fixes

CVEs

References

Additional information