CVE-2009-0773

The JavaScript engine in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey 1.1.15 allows remote attackers to cause a denial of service…

published March 5, 2009

CVSS
—
EPSS
6%
Percentile
93.0
In the wild
Unconfirmed
What it is

⚠️ A sneaky little memory corruption bug is lurking in older versions of Firefox and its friends! 🚨 Think of this vulnerability like a crowded restaurant kitchen where a chef mistakenly uses the wrong ingredient, causing a complete mix-up in the dishes being prepared. The wrong mix can lead the kitchen to shut down for a while—or in this case, crash your browser! An attacker could exploit this bug to crash your browser, causing a frustrating freeze during your online escapades. And while it's not directly linked to executing arbitrary code, the chaos could open the door to further exploitation, potentially compromising your experience.

Put simply

Think of this vulnerability like a crowded restaurant kitchen where a chef mistakenly uses the wrong ingredient, causing a complete mix-up in the dishes being prepared. The wrong mix can lead the kitchen to shut down for a while—or in this case, crash your browser! This vulnerability arises from a flaw in the JavaScript engine, allowing remote attackers to trigger memory corruption through specific array manipulations and other JavaScript functions. It can lead to a denial of service through crashes or hangs, affecting users of outdated Firefox, Thunderbird, and SeaMonkey versions.

What to do

An attacker could exploit this bug to crash your browser, causing a frustrating freeze during your online escapades. And while it's not directly linked to executing arbitrary code, the chaos could open the door to further exploitation, potentially compromising your experience. To protect yourself, update to the latest versions of Firefox (3.0.7 or later), Thunderbird (2.0.0.21 or later), and SeaMonkey (1.1.15 or later). Regularly check for updates to ensure you have the latest security fixes in place. You've got this! Stay updated, and keep your browsing safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05789 · 93.0th percentile
Published
2009-03-05T02:00Z
EPSS history
Timeline
  • 05 MAR 02:00Z
    The JavaScript engine in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey 1.1.15 allows remote attackers to cause a denial of service…
    cvelistv5