RHSA-2022:0815 — Security Advisory

Red Hat Security Advisory: firefox security update

Loading…

Severity

Critical

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · March 11, 2022

Updated · October 15, 2026

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions.

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.

Related CVEs

RHSA-2022:0815 — Red Hat Security Advisory: firefox security update | PulseLinux