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Red Hat Security Advisory

RHSA-2025:10187

firefox security update

Released 2025-07-02 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 4 records

TI-2025-05825 CVE-2025-6424 · GHSA-87c4-94w2-rw7j

Use-after-free in FontFaceSet

Priority MEDIUM 60

A use-after-free in FontFaceSet resulted in a potentially exploitable crash.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.07964 Published 2025-06-24 Partial fix · 115.25, 128.12 +1 CWE-416
Priority LOW 27

When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a…

CVSS 3.1MEDIUM 6.1 Network No auth User interaction EPSS 0.00268 Published 2025-06-24 Partial fix · 128.12, 140 CWE-79
Priority LOW 20

An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles.

CVSS 3.1MEDIUM 4.3 Network No auth User interaction EPSS 0.0031 Published 2025-06-24 Partial fix · 115.25, 128.12 +1 CWE-200