(RHSA-2022:0824) Critical: firefox security and bug fix 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.

Bug Fix(es):

• Firefox 91.3.0-1 Language packs installed at /usr/lib64/firefox/langpacks cannot be used any more (BZ#2030190)