Rapid7

vulnerability

FreeBSD: VID-07560111-34cc-11f0-af94-b42e991fc52e (CVE-2025-4918): firefox -- out-of-bounds read/write

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
May 19, 2025
Added
May 20, 2025
Modified
Jun 15, 2026

Description

An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.

Solutions

freebsd-upgrade-package-firefoxfreebsd-upgrade-package-firefox-esr
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.