Synopsis: Critical: firefox security and bug fix update Advisory ID: SLSA-2022:0824-1 Issue Date: 2022-03-11 CVE Numbers: CVE-2022-25315 CVE-2022-25235 CVE-2022-25236 CVE-2022-26486 CVE-2022-26485 CVE-2022-26383 CVE-2022-26384 CVE-2022-26387 CVE-2022-26381 CVE-2022-26386 -- 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 Bug Fix(es): * Firefox 91.3.0-1 Language packs installed at /usr/lib64/firefox/langpacks cannot be used any more -- SL7 x86_64 firefox-91.7.0-3.el7_9.x86_64.rpm firefox-debuginfo-91.7.0-3.el7_9.x86_64.rpm firefox-91.7.0-3.el7_9.i686.rpm - Scientific Linux Development Team