CVE-2009-0774

The layout engine in Mozilla Firefox 2 and 3 before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey 1.1.15 allows remote attackers to cause a denial of…

published March 5, 2009

CVSS
—
EPSS
4%
Percentile
90.5
In the wild
Unconfirmed
What it is

⚠️ A sneaky bug in Mozilla’s layout engine could crash your browser, creating a perfect storm for remote attackers! 🌪️ Think of it like a sharp gust of wind knocking over a carefully arranged row of dominoes. One wrong push and everything could go tumbling down, leading to a chaotic mess that you simply can’t control! In this case, an attacker can exploit the vulnerability to crash your browser, leaving users in a frustrating loop of instability. While the potential for arbitrary code execution lurks in the shadows, this bug’s primary punch is a denial of service, making users unable to access their favorite sites. Absolutely devastating for productivity!

Put simply

Think of it like a sharp gust of wind knocking over a carefully arranged row of dominoes. One wrong push and everything could go tumbling down, leading to a chaotic mess that you simply can’t control! This vulnerability involves the gczeal feature in the layout engine of affected versions of Mozilla Firefox, Thunderbird, and SeaMonkey. By manipulating this feature, an attacker could trigger a crash and potentially execute arbitrary code.

What to do

In this case, an attacker can exploit the vulnerability to crash your browser, leaving users in a frustrating loop of instability. While the potential for arbitrary code execution lurks in the shadows, this bug’s primary punch is a denial of service, making users unable to access their favorite sites. Absolutely devastating for productivity! To protect yourself, upgrade your software immediately to the latest versions: Firefox to 3.0.7, Thunderbird to 2.0.0.21, and SeaMonkey to 1.1.15. Regular updates are crucial for keeping vulnerabilities like this at bay! You’ve got this! With a quick update, you’ll be back to a secure browsing experience in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04047 · 90.5th percentile
Published
2009-03-05T02:00Z
EPSS history
Timeline
  • 05 MAR 02:00Z
    The layout engine in Mozilla Firefox 2 and 3 before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey 1.1.15 allows remote attackers to cause a denial of…
    cvelistv5