RHSA-2022:0818: Critical: firefox security update

First published: Thu Mar 10 2022(Updated: )

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.<br>This update upgrades Firefox to version 91.7.0 ESR.<br>Security Fix(es):<br><li> Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)</li> <li> Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)</li> <li> expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)</li> <li> expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)</li> <li> expat: Integer overflow in storeRawNames() (CVE-2022-25315)</li> <li> Mozilla: Use-after-free in text reflows (CVE-2022-26381)</li> <li> Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)</li> <li> Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)</li> <li> Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)</li> <li> Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)</li> 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.

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