RHSA-2022:4871 — Security Advisory
Red Hat Security Advisory: firefox security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · June 2, 2022
Updated · November 22, 2025
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 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 91.10.0 ESR.
Security Fix(es):
-
Mozilla: Cross-Origin resource's length leaked (CVE-2022-31736)
-
Mozilla: Heap buffer overflow in WebGL (CVE-2022-31737)
-
Mozilla: Browser window spoof using fullscreen mode (CVE-2022-31738)
-
Mozilla: Register allocation problem in WASM on arm64 (CVE-2022-31740)
-
Mozilla: Uninitialized variable leads to invalid memory read (CVE-2022-31741)
-
Mozilla: Memory safety bugs fixed in Firefox 101 and Firefox ESR 91.10 (CVE-2022-31747)
-
Mozilla: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information (CVE-2022-31742)
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.