CVE-2018-12390

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2

published February 28, 2019

CVSS
—
EPSS
3%
Percentile
88.1
In the wild
Unconfirmed
What it is

🚨 A sneaky memory safety bug lurks in Firefox 62 and Thunderbird 60.2, potentially paving the way for arbitrary code execution! 🔥 This vulnerability is like a poorly designed assembly line that misplaces components, allowing dangerous items to slip through unnoticed—once in, they can wreak havoc! If exploited, this vulnerability could allow an attacker to run arbitrary code on affected systems, potentially compromising user data or causing significant disruptions. While the immediate risk isn't confirmed, the mere possibility of memory corruption poses a serious concern for users.

Put simply

This vulnerability is like a poorly designed assembly line that misplaces components, allowing dangerous items to slip through unnoticed—once in, they can wreak havoc! The vulnerability is a memory safety issue in Firefox and Thunderbird, where memory corruption could possibly be leveraged to execute arbitrary code if exploited with enough effort.

What to do

If exploited, this vulnerability could allow an attacker to run arbitrary code on affected systems, potentially compromising user data or causing significant disruptions. While the immediate risk isn't confirmed, the mere possibility of memory corruption poses a serious concern for users. To protect yourself, upgrade to Firefox version 63 or later, and Thunderbird version 60.3 or higher. Regularly check for updates in your browser settings to ensure you're using the safest version! You've got this! Just follow these steps, and you'll have your browser fortified in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03207 · 88.1th percentile
Published
2019-02-28T18:00Z
EPSS history
Timeline
  • 28 FEB 18:00Z
    Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2
    cvelistv5