RHSA-2022:0815: Critical: firefox security update
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:0815?
The severity of RHSA-2022:0815 is critical due to the presence of a use-after-free vulnerability in XSLT parameter processing.
How do I fix RHSA-2022:0815?
To fix RHSA-2022:0815, upgrade Firefox to version 91.7.0-3.el8_1 as recommended by Red Hat.
Which versions of Firefox are affected by RHSA-2022:0815?
RHSA-2022:0815 affects all Firefox versions prior to 91.7.0-3.el8_1.
What is the nature of the vulnerability in RHSA-2022:0815?
The vulnerability in RHSA-2022:0815 is a use-after-free issue that can potentially allow remote code execution.
Is RHSA-2022:0815 related to any specific platforms?
Yes, RHSA-2022:0815 specifically affects Firefox on Red Hat Enterprise Linux 8 platforms.