RHSA-2022:8549 — Security Advisory

An update for firefox is now available for Red Hat Enterprise Linux 8.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 102.5.0 ESR.

Security Fix(es):

• Mozilla: Service Workers might have learned size of cross-origin media files (CVE-2022-45403)

• Mozilla: Fullscreen notification bypass (CVE-2022-45404)

• Mozilla: Use-after-free in InputStream implementation (CVE-2022-45405)

• Mozilla: Use-after-free of a JavaScript Realm (CVE-2022-45406)

• Mozilla: Fullscreen notification bypass via windowName (CVE-2022-45408)

• Mozilla: Use-after-free in Garbage Collection (CVE-2022-45409)

• Mozilla: Memory safety bugs fixed in Firefox 107 and Firefox ESR 102.5 (CVE-2022-45421)

• Mozilla: ServiceWorker-intercepted requests bypassed SameSite cookie policy (CVE-2022-45410)

• Mozilla: Cross-Site Tracing was possible via non-standard override headers (CVE-2022-45411)

• Mozilla: Symlinks may resolve to partially uninitialized buffers (CVE-2022-45412)

• Mozilla: Keystroke Side-Channel Leakage (CVE-2022-45416)

• Mozilla: Custom mouse cursor could have been drawn over browser UI (CVE-2022-45418)

• Mozilla: Iframe contents could be rendered outside the iframe (CVE-2022-45420)

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.