CVE-2018-5098

A use-after-free vulnerability can occur when form input elements, focus, and selections are manipulated by script content

published June 11, 2018

CVSS
—
EPSS
3%
Percentile
87.3
In the wild
Unconfirmed
What it is

⚠️ A crafty little use-after-free vulnerability is lurking in your forms! It can trigger a crash when scripts manipulate input elements like a magician making a rabbit disappear! 🎩 Think of it like a chef who forgets to clear the previous order before starting a new dish, resulting in a confusing mess on the table. Just like that, a script mishandling form elements can lead to a system crash, leaving everything in disarray. An attacker could exploit this oversight to crash the application unexpectedly. While it hasn’t been widely exploited yet, the potential for chaos is there, especially for those relying on affected versions of Thunderbird and Firefox. 💥

Put simply

Think of it like a chef who forgets to clear the previous order before starting a new dish, resulting in a confusing mess on the table. Just like that, a script mishandling form elements can lead to a system crash, leaving everything in disarray. This use-after-free vulnerability occurs when form input elements are improperly managed by scripts, allowing for a crash that could be exploited if an attacker manipulates focus and selections.

What to do

An attacker could exploit this oversight to crash the application unexpectedly. While it hasn’t been widely exploited yet, the potential for chaos is there, especially for those relying on affected versions of Thunderbird and Firefox. 💥 To protect yourself, upgrade Thunderbird and Firefox to version 52.6 or later. Also, consider applying any patches available for Firefox ESR prior to version 52.6. Regularly auditing your software will help you catch such vulnerabilities early! 🛡️ You've got this! Just a simple update, and you're on your way to being a security hero! 🦸

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03010 · 87.3th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    A use-after-free vulnerability can occur when form input elements, focus, and selections are manipulated by script content
    cvelistv5