CVE-2009-1392

The browser engine in Mozilla Firefox 3 before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of…

published June 12, 2009

CVSS
—
EPSS
9%
Percentile
95.4
In the wild
Unconfirmed
What it is

⚠️ A sneaky memory corruption issue in Mozilla Firefox, Thunderbird, and SeaMonkey could crash your browser with just the right input! Think of it like a jigsaw puzzle with some pieces that don’t fit — when you try to jam them together, the whole thing falls apart! An attacker could exploit this vulnerability to cause a denial of service, leading to crashes in your browser or, in a worst-case scenario, the execution of arbitrary code. This could leave your system exposed, and nobody wants that!

Put simply

Think of it like a jigsaw puzzle with some pieces that don’t fit — when you try to jam them together, the whole thing falls apart! The vulnerability resides in the browser engine, affecting various components, including event state management and text frame processing. Attackers can leverage specific vectors related to these areas to trigger memory corruption and crashes.

What to do

An attacker could exploit this vulnerability to cause a denial of service, leading to crashes in your browser or, in a worst-case scenario, the execution of arbitrary code. This could leave your system exposed, and nobody wants that! Update your Firefox to version 3.0.11, Thunderbird to 2.0.0.22, or SeaMonkey to 1.1.17 to patch this vulnerability. Regularly check for updates to ensure you're protected against these sneaky issues! You've got this! Stay vigilant and keep your software up to date to maintain your security hero status! 🦸

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.09282 · 95.4th percentile
Published
2009-06-12T21:07Z
EPSS history
Timeline
  • 12 JUN 21:07Z
    The browser engine in Mozilla Firefox 3 before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of…
    cvelistv5