CVE-2018-5126

Memory safety bugs were reported in Firefox 58

published June 11, 2018

CVSS
—
EPSS
2%
Percentile
77.9
In the wild
Unconfirmed
What it is

⚠️ Memory safety bugs in Firefox 58 could open the door to a whole host of troubles! 🔥 Think of it like a leaking faucet in a high-rise building; if left unchecked, that leak can cause significant damage to the floors below. Here, the memory corruption is like that leak, potentially allowing attackers to run arbitrary code if they work hard enough. Without proper remediation, an attacker could exploit these memory issues to execute malicious code, risking everything from data leaks to full system compromise. While this vulnerability hasn't been actively exploited yet, it poses a significant threat to users still running affected versions of Firefox.

Put simply

Think of it like a leaking faucet in a high-rise building; if left unchecked, that leak can cause significant damage to the floors below. Here, the memory corruption is like that leak, potentially allowing attackers to run arbitrary code if they work hard enough. This vulnerability arises from memory safety bugs in Firefox 58, where potential memory corruption issues could allow for unauthorized code execution. It affects all versions prior to Firefox 59, and while exploitation hasn't been confirmed, the risks are real and concerning.

What to do

Without proper remediation, an attacker could exploit these memory issues to execute malicious code, risking everything from data leaks to full system compromise. While this vulnerability hasn't been actively exploited yet, it poses a significant threat to users still running affected versions of Firefox. Update your Firefox browser to version 59 or later to close this gap. Regularly check for updates and consider enabling automatic updates to ensure you're always protected against known vulnerabilities. You've got this! By updating your browser, you're taking a big step towards keeping your digital life secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01768 · 77.9th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    Memory safety bugs were reported in Firefox 58
    cvelistv5