Security Vulnerabilities fixed in firefox RHSA-2022:0818

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) 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. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

Affected Applications

firefox

CVE References

CVE-2022-26384 CVE-2022-26387 CVE-2022-26386 CVE-2022-26381 CVE-2022-26383 CVE-2022-25235 CVE-2022-25236 CVE-2022-26486 CVE-2022-25315 CVE-2022-26485

Other References

https://access.redhat.com/errata/RHSA-2022:0818