CVE-2009-3077

Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, does not properly manage pointers for the columns (aka TreeColumns) of a XUL tree element, which allows…

published September 10, 2009

CVSS
—
EPSS
5%
Percentile
91.7
In the wild
Unconfirmed
What it is

⚠️ A crafty HTML document is all it takes to exploit this dangling pointer flaw in Firefox! Imagine letting a delivery driver take your package without checking their ID. 📦 This vulnerability is like a restaurant that lets a server take orders without verifying who they are or what they’re supposed to deliver. If the server’s not checked, they could swap a customer’s meal for something completely different – or worse! An attacker could exploit this vulnerability to execute arbitrary code on the victim's machine, potentially compromising sensitive data or destabilizing the system. While it’s not being actively exploited, the possibility of someone crafting a malicious HTML document is absolutely concerning.

Put simply

This vulnerability is like a restaurant that lets a server take orders without verifying who they are or what they’re supposed to deliver. If the server’s not checked, they could swap a customer’s meal for something completely different – or worse! The issue stems from improper management of pointers in the XUL tree element's columns in Firefox versions before 3.0.14 and 3.5.x before 3.5.3, leading to potential arbitrary code execution.

What to do

An attacker could exploit this vulnerability to execute arbitrary code on the victim's machine, potentially compromising sensitive data or destabilizing the system. While it’s not being actively exploited, the possibility of someone crafting a malicious HTML document is absolutely concerning. Upgrade Firefox to version 3.0.14 or 3.5.3 or later to mitigate this vulnerability. Regularly check for security updates and enable automatic updates for your browser to keep your system protected. You've got this! Stay ahead of the game by keeping your software updated and maintaining your superhero security stance! 🦸‍♂️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04623 · 91.7th percentile
Published
2009-09-10T21:00Z
EPSS history
Timeline
  • 10 SEP 21:00Z
    Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, does not properly manage pointers for the columns (aka TreeColumns) of a XUL tree element, which allows…
    cvelistv5