RHSA-2022:0817: 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-2022:0817?
The severity of RHSA-2022:0817 is classified as moderate.
How do I fix RHSA-2022:0817?
To fix RHSA-2022:0817, update your Firefox version to 91.7.0-3.el8_4 or later.
What vulnerabilities are addressed in RHSA-2022:0817?
RHSA-2022:0817 addresses a use-after-free vulnerability in XSLT parameter processing, identified as CVE-2022-26485.
Is RHSA-2022:0817 applicable to all Firefox users?
RHSA-2022:0817 specifically applies to users of Red Hat's Firefox versions and derivatives.
What platforms are affected by RHSA-2022:0817?
RHSA-2022:0817 affects multiple architectures including x86_64 and ppc64le on Red Hat Enterprise Linux 8.