vulnerability

MFSA2018-06 Firefox: Security vulnerabilities fixed in Firefox 59 (CVE-2018-5126)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Jun 11, 2018
Added
Jul 12, 2018
Modified
Mar 27, 2026

Description

Memory safety bugs were reported in Firefox 58. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 59.

Solution

mozilla-firefox-upgrade-59_0
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.